131861262 has 16 divisors (see below), whose sum is σ = 284009040. Its totient is φ = 40572672.

The previous prime is 131861251. The next prime is 131861269. The reversal of 131861262 is 262168131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131861269) 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, 845187 + ... + 845342.

It is an arithmetic number, because the mean of its divisors is an integer number (17750565).

Almost surely, 2^131861262 is an apocalyptic number.

131861262 is an abundant number, since it is smaller than the sum of its proper divisors (152147778).

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

131861262 is a wasteful number, since it uses less digits than its factorization.

131861262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690547.

The product of its digits is 3456, while the sum is 30.

The square root of 131861262 is about 11483.0859092841. The cubic root of 131861262 is about 508.9858894785.

The spelling of 131861262 in words is "one hundred thirty-one million, eight hundred sixty-one thousand, two hundred sixty-two".