131425042 has 16 divisors (see below), whose sum is σ = 233069760. Its totient is φ = 54382608.

The previous prime is 131424991. The next prime is 131425043. The reversal of 131425042 is 240524131.

It is not an unprimeable number, because it can be changed into a prime (131425043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161448 + ... + 162259.

It is an arithmetic number, because the mean of its divisors is an integer number (14566860).

Almost surely, 2^131425042 is an apocalyptic number.

131425042 is a deficient number, since it is larger than the sum of its proper divisors (101644718).

131425042 is a wasteful number, since it uses less digits than its factorization.

131425042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323745.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 131425042 is about 11464.0761511776. The cubic root of 131425042 is about 508.4239981136.

Adding to 131425042 its reverse (240524131), we get a palindrome (371949173).

The spelling of 131425042 in words is "one hundred thirty-one million, four hundred twenty-five thousand, forty-two".