1536506131 has 2 divisors, whose sum is σ = 1536506132. Its totient is φ = 1536506130.

The previous prime is 1536506123. The next prime is 1536506149. The reversal of 1536506131 is 1316056351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1536506131 - 2³ = 1536506123 is a prime.

It is a super-2 number, since 2×1536506131² = 4721702181201178322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1536506093 and 1536506102.

It is not a weakly prime, because it can be changed into another prime (1536506161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 768253065 + 768253066.

It is an arithmetic number, because the mean of its divisors is an integer number (768253066).

Almost surely, 2^1536506131 is an apocalyptic number.

1536506131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1536506131 is an equidigital number, since it uses as much as digits as its factorization.

1536506131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1536506131 is about 39198.2924500545. The cubic root of 1536506131 is about 1153.9263727484.

The spelling of 1536506131 in words is "one billion, five hundred thirty-six million, five hundred six thousand, one hundred thirty-one".