131861752 has 16 divisors (see below), whose sum is σ = 269717400. Its totient is φ = 59937120.

The previous prime is 131861731. The next prime is 131861773. The reversal of 131861752 is 257168131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131861731) and next prime (131861773).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749127 + ... + 749302.

Almost surely, 2^131861752 is an apocalyptic number.

It is an amenable number.

131861752 is an abundant number, since it is smaller than the sum of its proper divisors (137855648).

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

131861752 is a wasteful number, since it uses less digits than its factorization.

131861752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498446 (or 1498442 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 131861752 is about 11483.1072449925. The cubic root of 131861752 is about 508.9865199462.

The spelling of 131861752 in words is "one hundred thirty-one million, eight hundred sixty-one thousand, seven hundred fifty-two".