131890270 has 16 divisors (see below), whose sum is σ = 238181328. Its totient is φ = 52583040.

The previous prime is 131890261. The next prime is 131890271. The reversal of 131890270 is 72098131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131890271) 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, 18411 + ... + 24550.

It is an arithmetic number, because the mean of its divisors is an integer number (14886333).

Almost surely, 2^131890270 is an apocalyptic number.

131890270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131890270 is a deficient number, since it is larger than the sum of its proper divisors (106291058).

131890270 is a wasteful number, since it uses less digits than its factorization.

131890270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43275.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 131890270 is about 11484.3489149364. The cubic root of 131890270 is about 509.0232104726.

The spelling of 131890270 in words is "one hundred thirty-one million, eight hundred ninety thousand, two hundred seventy".