131944730 has 16 divisors (see below), whose sum is σ = 238498560. Its totient is φ = 52556112.

The previous prime is 131944723. The next prime is 131944739. The reversal of 131944730 is 37449131.

It is not an unprimeable number, because it can be changed into a prime (131944739) 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, 25214 + ... + 29993.

It is an arithmetic number, because the mean of its divisors is an integer number (14906160).

Almost surely, 2^131944730 is an apocalyptic number.

131944730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131944730 is a deficient number, since it is larger than the sum of its proper divisors (106553830).

131944730 is a wasteful number, since it uses less digits than its factorization.

131944730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55453.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 131944730 is about 11486.7197232282. The cubic root of 131944730 is about 509.0932626186.

The spelling of 131944730 in words is "one hundred thirty-one million, nine hundred forty-four thousand, seven hundred thirty".