131074845 has 64 divisors (see below), whose sum is σ = 245597184. Its totient is φ = 58987520.

The previous prime is 131074843. The next prime is 131074873. The reversal of 131074845 is 548470131.

It is not a de Polignac number, because 131074845 - 2¹ = 131074843 is a prime.

It is a super-2 number, since 2×131074845² = 34361229983548050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131074843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 232534 + ... + 233096.

It is an arithmetic number, because the mean of its divisors is an integer number (3837456).

Almost surely, 2^131074845 is an apocalyptic number.

131074845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131074845 is a deficient number, since it is larger than the sum of its proper divisors (114522339).

131074845 is a wasteful number, since it uses less digits than its factorization.

131074845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 131074845 is about 11448.7922943863. The cubic root of 131074845 is about 507.9720118604.

The spelling of 131074845 in words is "one hundred thirty-one million, seventy-four thousand, eight hundred forty-five".