131402264 has 32 divisors (see below), whose sum is σ = 286895520. Its totient is φ = 55251456.

The previous prime is 131402239. The next prime is 131402267. The reversal of 131402264 is 462204131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131402267) 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, 19169 + ... + 25104.

It is an arithmetic number, because the mean of its divisors is an integer number (8965485).

Almost surely, 2^131402264 is an apocalyptic number.

131402264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131402264 is an abundant number, since it is smaller than the sum of its proper divisors (155493256).

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

131402264 is a wasteful number, since it uses less digits than its factorization.

131402264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44339 (or 44335 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 131402264 is about 11463.0826569470. The cubic root of 131402264 is about 508.3946238260.

Adding to 131402264 its reverse (462204131), we get a palindrome (593606395).

The spelling of 131402264 in words is "one hundred thirty-one million, four hundred two thousand, two hundred sixty-four".