131061045 has 16 divisors (see below), whose sum is σ = 212829120. Its totient is φ = 68855424.

The previous prime is 131061023. The next prime is 131061131. The reversal of 131061045 is 540160131.

It is not a de Polignac number, because 131061045 - 2⁵ = 131061013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64200 + ... + 66209.

It is an arithmetic number, because the mean of its divisors is an integer number (13301820).

Almost surely, 2^131061045 is an apocalyptic number.

131061045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131061045 is a deficient number, since it is larger than the sum of its proper divisors (81768075).

131061045 is a wasteful number, since it uses less digits than its factorization.

131061045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130484.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 131061045 is about 11448.1895948661. The cubic root of 131061045 is about 507.9541842348.

The spelling of 131061045 in words is "one hundred thirty-one million, sixty-one thousand, forty-five".