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1140121533 = 3380040511
BaseRepresentation
bin100001111110100…
…1101111110111101
32221110100011201110
41003331031332331
54313332342113
6305044432233
740152605325
oct10375157675
92843304643
101140121533
11535629201
122799a8679
1315228a935
14ab5c4285
156a15dbc3
hex43f4dfbd

1140121533 has 4 divisors (see below), whose sum is σ = 1520162048. Its totient is φ = 760081020.

The previous prime is 1140121529. The next prime is 1140121547. The reversal of 1140121533 is 3351210411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3351210411 = 31117070137.

It is not a de Polignac number, because 1140121533 - 22 = 1140121529 is a prime.

It is a super-2 number, since 2×11401215332 = 2599754220020540178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140121553) 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, 190020253 + ... + 190020258.

It is an arithmetic number, because the mean of its divisors is an integer number (380040512).

Almost surely, 21140121533 is an apocalyptic number.

It is an amenable number.

1140121533 is a deficient number, since it is larger than the sum of its proper divisors (380040515).

1140121533 is an equidigital number, since it uses as much as digits as its factorization.

1140121533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380040514.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1140121533 is about 33765.6857327080. The cubic root of 1140121533 is about 1044.6810479331.

Adding to 1140121533 its reverse (3351210411), we get a palindrome (4491331944).

The spelling of 1140121533 in words is "one billion, one hundred forty million, one hundred twenty-one thousand, five hundred thirty-three".

Divisors: 1 3 380040511 1140121533