131639710 has 16 divisors (see below), whose sum is σ = 243356256. Its totient is φ = 51232608.

The previous prime is 131639707. The next prime is 131639713. The reversal of 131639710 is 17936131.

131639710 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (131639707) and next prime (131639713).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131639713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177522 + ... + 178261.

It is an arithmetic number, because the mean of its divisors is an integer number (15209766).

Almost surely, 2^131639710 is an apocalyptic number.

131639710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131639710 is a deficient number, since it is larger than the sum of its proper divisors (111716546).

131639710 is a wasteful number, since it uses less digits than its factorization.

131639710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355827.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 131639710 is about 11473.4349695285. The cubic root of 131639710 is about 508.7006653076.

The spelling of 131639710 in words is "one hundred thirty-one million, six hundred thirty-nine thousand, seven hundred ten".