131740697940 has 96 divisors (see below), whose sum is σ = 390672616320. Its totient is φ = 33055850496.

The previous prime is 131740697939. The next prime is 131740697941. The reversal of 131740697940 is 49796047131.

It is an interprime number because it is at equal distance from previous prime (131740697939) and next prime (131740697941).

It is a super-2 number, since 2×131740697940² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131740697941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4588951 + ... + 4617569.

It is an arithmetic number, because the mean of its divisors is an integer number (4069506420).

Almost surely, 2^131740697940 is an apocalyptic number.

131740697940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131740697940 is an abundant number, since it is smaller than the sum of its proper divisors (258931918380).

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

131740697940 is a wasteful number, since it uses less digits than its factorization.

131740697940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33161 (or 33159 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 51.

The spelling of 131740697940 in words is "one hundred thirty-one billion, seven hundred forty million, six hundred ninety-seven thousand, nine hundred forty".