131400401 has 8 divisors (see below), whose sum is σ = 144957600. Its totient is φ = 118111840.

The previous prime is 131400397. The next prime is 131400433. The reversal of 131400401 is 104004131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131400401 - 2² = 131400397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131400491) 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 7 ways as a sum of consecutive naturals, for example, 66131 + ... + 68088.

It is an arithmetic number, because the mean of its divisors is an integer number (18119700).

Almost surely, 2^131400401 is an apocalyptic number.

131400401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131400401 is a deficient number, since it is larger than the sum of its proper divisors (13557199).

131400401 is a wasteful number, since it uses less digits than its factorization.

131400401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134319.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 131400401 is about 11463.0013957951. The cubic root of 131400401 is about 508.3922211692.

Adding to 131400401 its reverse (104004131), we get a palindrome (235404532).

The spelling of 131400401 in words is "one hundred thirty-one million, four hundred thousand, four hundred one".