131943045 has 32 divisors (see below), whose sum is σ = 228904704. Its totient is φ = 64512000.

The previous prime is 131943041. The next prime is 131943059. The reversal of 131943045 is 540349131.

It is not a de Polignac number, because 131943045 - 2² = 131943041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131943041) 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, 27205 + ... + 31685.

It is an arithmetic number, because the mean of its divisors is an integer number (7153272).

Almost surely, 2^131943045 is an apocalyptic number.

131943045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131943045 is a deficient number, since it is larger than the sum of its proper divisors (96961659).

131943045 is a wasteful number, since it uses less digits than its factorization.

131943045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 131943045 is about 11486.6463774245. The cubic root of 131943045 is about 509.0910954844.

The spelling of 131943045 in words is "one hundred thirty-one million, nine hundred forty-three thousand, forty-five".