131401654 has 4 divisors (see below), whose sum is σ = 197102484. Its totient is φ = 65700826.

The previous prime is 131401651. The next prime is 131401657. The reversal of 131401654 is 456104131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (131401651) and next prime (131401657).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131401651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32850412 + ... + 32850415.

It is an arithmetic number, because the mean of its divisors is an integer number (49275621).

Almost surely, 2^131401654 is an apocalyptic number.

131401654 is a deficient number, since it is larger than the sum of its proper divisors (65700830).

131401654 is an equidigital number, since it uses as much as digits as its factorization.

131401654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65700829.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 131401654 is about 11463.0560497626. The cubic root of 131401654 is about 508.3938371293.

Adding to 131401654 its reverse (456104131), we get a palindrome (587505785).

The spelling of 131401654 in words is "one hundred thirty-one million, four hundred one thousand, six hundred fifty-four".