131946630 has 32 divisors (see below), whose sum is σ = 330441984. Its totient is φ = 33655776.

The previous prime is 131946611. The next prime is 131946637. The reversal of 131946630 is 36649131.

It is a junction number, because it is equal to n+sod(n) for n = 131946591 and 131946600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131946637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94924 + ... + 96303.

It is an arithmetic number, because the mean of its divisors is an integer number (10326312).

Almost surely, 2^131946630 is an apocalyptic number.

131946630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131946630 is an abundant number, since it is smaller than the sum of its proper divisors (198495354).

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

131946630 is a wasteful number, since it uses less digits than its factorization.

131946630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191260.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 131946630 is about 11486.8024271335. The cubic root of 131946630 is about 509.0957062492.

The spelling of 131946630 in words is "one hundred thirty-one million, nine hundred forty-six thousand, six hundred thirty".