131361510 has 64 divisors (see below), whose sum is σ = 375985152. Its totient is φ = 28718976.

The previous prime is 131361493. The next prime is 131361511. The reversal of 131361510 is 15163131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131361511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8769 + ... + 18428.

It is an arithmetic number, because the mean of its divisors is an integer number (5874768).

Almost surely, 2^131361510 is an apocalyptic number.

131361510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131361510 is an abundant number, since it is smaller than the sum of its proper divisors (244623642).

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

131361510 is a wasteful number, since it uses less digits than its factorization.

131361510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27237.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 131361510 is about 11461.3048995304. The cubic root of 131361510 is about 508.3420593921.

The spelling of 131361510 in words is "one hundred thirty-one million, three hundred sixty-one thousand, five hundred ten".