131416533542 has 32 divisors (see below), whose sum is σ = 240138561600. Its totient is φ = 52652574720.

The previous prime is 131416533541. The next prime is 131416533557. The reversal of 131416533542 is 245335614131.

It is a super-2 number, since 2×131416533542² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131416533496 and 131416533505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131416533541) 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, 1817459 + ... + 1888382.

It is an arithmetic number, because the mean of its divisors is an integer number (7504330050).

Almost surely, 2^131416533542 is an apocalyptic number.

131416533542 is a deficient number, since it is larger than the sum of its proper divisors (108722028058).

131416533542 is a wasteful number, since it uses less digits than its factorization.

131416533542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706016.

The product of its digits is 129600, while the sum is 38.

The spelling of 131416533542 in words is "one hundred thirty-one billion, four hundred sixteen million, five hundred thirty-three thousand, five hundred forty-two".