131516042 has 32 divisors (see below), whose sum is σ = 230601600. Its totient is φ = 55091520.

The previous prime is 131516041. The next prime is 131516053. The reversal of 131516042 is 240615131.

It is a junction number, because it is equal to n+sod(n) for n = 131515999 and 131516017.

It is not an unprimeable number, because it can be changed into a prime (131516041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139292 + ... + 140232.

It is an arithmetic number, because the mean of its divisors is an integer number (7206300).

Almost surely, 2^131516042 is an apocalyptic number.

131516042 is a deficient number, since it is larger than the sum of its proper divisors (99085558).

131516042 is a wasteful number, since it uses less digits than its factorization.

131516042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 131516042 is about 11468.0443842880. The cubic root of 131516042 is about 508.5413169765.

The spelling of 131516042 in words is "one hundred thirty-one million, five hundred sixteen thousand, forty-two".