131389401 has 64 divisors (see below), whose sum is σ = 217728000. Its totient is φ = 69377280.

The previous prime is 131389387. The next prime is 131389411. The reversal of 131389401 is 104983131.

It is not a de Polignac number, because 131389401 - 2⁶ = 131389337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131389411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 733930 + ... + 734108.

It is an arithmetic number, because the mean of its divisors is an integer number (3402000).

Almost surely, 2^131389401 is an apocalyptic number.

131389401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131389401 is a deficient number, since it is larger than the sum of its proper divisors (86338599).

131389401 is a wasteful number, since it uses less digits than its factorization.

131389401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 131389401 is about 11462.5215812229. The cubic root of 131389401 is about 508.3780343264.

The spelling of 131389401 in words is "one hundred thirty-one million, three hundred eighty-nine thousand, four hundred one".