131387616702 has 80 divisors (see below), whose sum is σ = 308317296672. Its totient is φ = 41740142400.

The previous prime is 131387616673. The next prime is 131387616719. The reversal of 131387616702 is 207616783131.

131387616702 is a `hidden beast` number, since 13 + 13 + 8 + 7 + 616 + 7 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 968452 + ... + 1095752.

Almost surely, 2^131387616702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131387616702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154158648336).

131387616702 is an abundant number, since it is smaller than the sum of its proper divisors (176929679970).

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

131387616702 is a wasteful number, since it uses less digits than its factorization.

131387616702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127615 (or 127606 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 131387616702 in words is "one hundred thirty-one billion, three hundred eighty-seven million, six hundred sixteen thousand, seven hundred two".