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140340013 = 1112758183
BaseRepresentation
bin10000101110101…
…10101100101101
3100210002000022021
420113112230231
5241411340023
621531550141
73322604362
oct1027265455
9323060267
10140340013
1172244590
123abbb351
13230c9038
14148d2469
15c4c235d
hex85d6b2d

140340013 has 4 divisors (see below), whose sum is σ = 153098208. Its totient is φ = 127581820.

The previous prime is 140339999. The next prime is 140340029. The reversal of 140340013 is 310043041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140340013 - 29 = 140339501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140340113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6379081 + ... + 6379102.

It is an arithmetic number, because the mean of its divisors is an integer number (38274552).

Almost surely, 2140340013 is an apocalyptic number.

It is an amenable number.

140340013 is a deficient number, since it is larger than the sum of its proper divisors (12758195).

140340013 is a wasteful number, since it uses less digits than its factorization.

140340013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12758194.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140340013 is about 11846.5190245911. The cubic root of 140340013 is about 519.6694311710.

Adding to 140340013 its reverse (310043041), we get a palindrome (450383054).

The spelling of 140340013 in words is "one hundred forty million, three hundred forty thousand, thirteen".

Divisors: 1 11 12758183 140340013