131387662 has 24 divisors (see below), whose sum is σ = 238806576. Its totient is φ = 52925376.

The previous prime is 131387647. The next prime is 131387731. The reversal of 131387662 is 266783131.

Its product of digits (36288) is a multiple of the sum of its prime factors (1512).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176463 + ... + 177205.

It is an arithmetic number, because the mean of its divisors is an integer number (9950274).

Almost surely, 2^131387662 is an apocalyptic number.

131387662 is a deficient number, since it is larger than the sum of its proper divisors (107418914).

131387662 is an frugal number, since it uses more digits than its factorization.

131387662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 769 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 131387662 is about 11462.4457250623. The cubic root of 131387662 is about 508.3757914430.

The spelling of 131387662 in words is "one hundred thirty-one million, three hundred eighty-seven thousand, six hundred sixty-two".