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1418136739 = 7691844131
BaseRepresentation
bin101010010000111…
…0000110010100011
310122211110210212221
41110201300302203
510401020333424
6352415331511
750066651305
oct12441606243
93584423787
101418136739
11668557138
12336b20b97
13197a5ba86
14d64b3975
15847789e4
hex54870ca3

1418136739 has 4 divisors (see below), whose sum is σ = 1419981640. Its totient is φ = 1416291840.

The previous prime is 1418136683. The next prime is 1418136749. The reversal of 1418136739 is 9376318141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9376318141 = 62111509631.

It is a cyclic number.

It is not a de Polignac number, because 1418136739 - 219 = 1417612451 is a prime.

It is a super-2 number, since 2×14181367392 = 4022223621003108242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1418136695 and 1418136704.

It is not an unprimeable number, because it can be changed into a prime (1418136749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921297 + ... + 922834.

It is an arithmetic number, because the mean of its divisors is an integer number (354995410).

Almost surely, 21418136739 is an apocalyptic number.

1418136739 is a deficient number, since it is larger than the sum of its proper divisors (1844901).

1418136739 is an equidigital number, since it uses as much as digits as its factorization.

1418136739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844900.

The product of its digits is 108864, while the sum is 43.

The square root of 1418136739 is about 37658.1563409575. The cubic root of 1418136739 is about 1123.4990324496.

The spelling of 1418136739 in words is "one billion, four hundred eighteen million, one hundred thirty-six thousand, seven hundred thirty-nine".

Divisors: 1 769 1844131 1418136739