131401542 has 16 divisors (see below), whose sum is σ = 263082240. Its totient is φ = 43753992.

The previous prime is 131401513. The next prime is 131401577. The reversal of 131401542 is 245104131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5242 + ... + 17037.

It is an arithmetic number, because the mean of its divisors is an integer number (16442640).

Almost surely, 2^131401542 is an apocalyptic number.

131401542 is an abundant number, since it is smaller than the sum of its proper divisors (131680698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131401542 is a wasteful number, since it uses less digits than its factorization.

131401542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23267.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 131401542 is about 11463.0511645024. The cubic root of 131401542 is about 508.3936926863.

Adding to 131401542 its reverse (245104131), we get a palindrome (376505673).

The spelling of 131401542 in words is "one hundred thirty-one million, four hundred one thousand, five hundred forty-two".