131862849615 has 160 divisors (see below), whose sum is σ = 277334323200. Its totient is φ = 58689328896.

The previous prime is 131862849607. The next prime is 131862849617. The reversal of 131862849615 is 516948268131.

It is a happy number.

131862849615 is a `hidden beast` number, since 1 + 3 + 1 + 8 + 628 + 4 + 9 + 6 + 1 + 5 = 666.

It is not a de Polignac number, because 131862849615 - 2³ = 131862849607 is a prime.

It is a super-2 number, since 2×131862849615² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131862849617) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 26513269 + ... + 26518241.

It is an arithmetic number, because the mean of its divisors is an integer number (1733339520).

Almost surely, 2^131862849615 is an apocalyptic number.

131862849615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131862849615 is an abundant number, since it is smaller than the sum of its proper divisors (145471473585).

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

131862849615 is a wasteful number, since it uses less digits than its factorization.

131862849615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243 (or 5234 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 131862849615 in words is "one hundred thirty-one billion, eight hundred sixty-two million, eight hundred forty-nine thousand, six hundred fifteen".