131400270 has 24 divisors (see below), whose sum is σ = 341640936. Its totient is φ = 35040048.

The previous prime is 131400253. The next prime is 131400271. The reversal of 131400270 is 72004131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131400271) 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 11 ways as a sum of consecutive naturals, for example, 729912 + ... + 730091.

It is an arithmetic number, because the mean of its divisors is an integer number (14235039).

Almost surely, 2^131400270 is an apocalyptic number.

131400270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131400270 is an abundant number, since it is smaller than the sum of its proper divisors (210240666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131400270 is a wasteful number, since it uses less digits than its factorization.

131400270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460016 (or 1460013 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 131400270 is about 11462.9956817579. The cubic root of 131400270 is about 508.3920522214.

The spelling of 131400270 in words is "one hundred thirty-one million, four hundred thousand, two hundred seventy".