152131769 has 2 divisors, whose sum is σ = 152131770. Its totient is φ = 152131768.

The previous prime is 152131757. The next prime is 152131877. The reversal of 152131769 is 967131251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109725625 + 42406144 = 10475^2 + 6512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152131769 is a prime.

It is a super-2 number, since 2×152131769² = 46288150278138722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_8557370 and since 152131769 and 8557370 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (152136769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76065884 + 76065885.

It is an arithmetic number, because the mean of its divisors is an integer number (76065885).

Almost surely, 2^152131769 is an apocalyptic number.

It is an amenable number.

152131769 is a deficient number, since it is larger than the sum of its proper divisors (1).

152131769 is an equidigital number, since it uses as much as digits as its factorization.

152131769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 35.

The square root of 152131769 is about 12334.1707868831. The cubic root of 152131769 is about 533.8345012625.

The spelling of 152131769 in words is "one hundred fifty-two million, one hundred thirty-one thousand, seven hundred sixty-nine".