131660350 has 12 divisors (see below), whose sum is σ = 244888344. Its totient is φ = 52664120.

The previous prime is 131660339. The next prime is 131660351. The reversal of 131660350 is 53066131.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131660351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1316554 + ... + 1316653.

It is an arithmetic number, because the mean of its divisors is an integer number (20407362).

Almost surely, 2^131660350 is an apocalyptic number.

131660350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131660350 is a deficient number, since it is larger than the sum of its proper divisors (113227994).

131660350 is a wasteful number, since it uses less digits than its factorization.

131660350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633219 (or 2633214 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 131660350 is about 11474.3344033543. The cubic root of 131660350 is about 508.7272505810.

The spelling of 131660350 in words is "one hundred thirty-one million, six hundred sixty thousand, three hundred fifty".