131154536 has 16 divisors (see below), whose sum is σ = 249028800. Its totient is φ = 64746864.

The previous prime is 131154509. The next prime is 131154557. The reversal of 131154536 is 635451131.

It is a junction number, because it is equal to n+sod(n) for n = 131154499 and 131154508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103130 + ... + 104393.

It is an arithmetic number, because the mean of its divisors is an integer number (15564300).

Almost surely, 2^131154536 is an apocalyptic number.

It is an amenable number.

131154536 is a deficient number, since it is larger than the sum of its proper divisors (117874264).

131154536 is a wasteful number, since it uses less digits than its factorization.

131154536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207608 (or 207604 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 131154536 is about 11452.2720889787. The cubic root of 131154536 is about 508.0749367618.

The spelling of 131154536 in words is "one hundred thirty-one million, one hundred fifty-four thousand, five hundred thirty-six".