131692078 has 48 divisors (see below), whose sum is σ = 242279424. Its totient is φ = 52572240.

The previous prime is 131692049. The next prime is 131692079. The reversal of 131692078 is 870296131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131692079) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 358651 + ... + 359017.

It is an arithmetic number, because the mean of its divisors is an integer number (5047488).

Almost surely, 2^131692078 is an apocalyptic number.

131692078 is a deficient number, since it is larger than the sum of its proper divisors (110587346).

131692078 is a wasteful number, since it uses less digits than its factorization.

131692078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 131692078 is about 11475.7168839249. The cubic root of 131692078 is about 508.7681122928.

The spelling of 131692078 in words is "one hundred thirty-one million, six hundred ninety-two thousand, seventy-eight".