131401396 has 24 divisors (see below), whose sum is σ = 263787776. Its totient is φ = 56103840.

The previous prime is 131401379. The next prime is 131401399. The reversal of 131401396 is 693104131.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131401399) 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, 1071 + ... + 16246.

Almost surely, 2^131401396 is an apocalyptic number.

It is an amenable number.

131401396 is an abundant number, since it is smaller than the sum of its proper divisors (132386380).

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

131401396 is a wasteful number, since it uses less digits than its factorization.

131401396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17599 (or 17597 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 131401396 is about 11463.0447962136. The cubic root of 131401396 is about 508.3935043945.

The spelling of 131401396 in words is "one hundred thirty-one million, four hundred one thousand, three hundred ninety-six".