131637142 has 96 divisors (see below), whose sum is σ = 265628160. Its totient is φ = 47773440.

The previous prime is 131637139. The next prime is 131637161. The reversal of 131637142 is 241736131.

It is a self number, because there is not a number n which added to its sum of digits gives 131637142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2231109 + ... + 2231167.

It is an arithmetic number, because the mean of its divisors is an integer number (2766960).

Almost surely, 2^131637142 is an apocalyptic number.

131637142 is an abundant number, since it is smaller than the sum of its proper divisors (133991018).

131637142 is a wasteful number, since it uses less digits than its factorization.

131637142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 145 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 131637142 is about 11473.3230582948. The cubic root of 131637142 is about 508.6973574106.

The spelling of 131637142 in words is "one hundred thirty-one million, six hundred thirty-seven thousand, one hundred forty-two".