76135531 has 2 divisors, whose sum is σ = 76135532. Its totient is φ = 76135530.

The previous prime is 76135523. The next prime is 76135541. The reversal of 76135531 is 13553167.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76135531 - 2³ = 76135523 is a prime.

It is a super-2 number, since 2×76135531² = 11593238161303922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76135493 and 76135502.

It is not a weakly prime, because it can be changed into another prime (76135511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38067765 + 38067766.

It is an arithmetic number, because the mean of its divisors is an integer number (38067766).

Almost surely, 2^76135531 is an apocalyptic number.

76135531 is a deficient number, since it is larger than the sum of its proper divisors (1).

76135531 is an equidigital number, since it uses as much as digits as its factorization.

76135531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 31.

The square root of 76135531 is about 8725.5676606167. The cubic root of 76135531 is about 423.8340007447.

Adding to 76135531 its reverse (13553167), we get a palindrome (89688698).

The spelling of 76135531 in words is "seventy-six million, one hundred thirty-five thousand, five hundred thirty-one".