131963678 has 32 divisors (see below), whose sum is σ = 247484160. Its totient is φ = 51269760.

The previous prime is 131963677. The next prime is 131963687. The reversal of 131963678 is 876369131.

It is a super-2 number, since 2×131963678² = 34828824622575368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131963677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65693 + ... + 67671.

It is an arithmetic number, because the mean of its divisors is an integer number (7733880).

Almost surely, 2^131963678 is an apocalyptic number.

131963678 is a deficient number, since it is larger than the sum of its proper divisors (115520482).

131963678 is a wasteful number, since it uses less digits than its factorization.

131963678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432.

The product of its digits is 163296, while the sum is 44.

The square root of 131963678 is about 11487.5444721664. The cubic root of 131963678 is about 509.1176309972.

It can be divided in two parts, 13 and 1963678, that added together give a palindrome (1963691).

The spelling of 131963678 in words is "one hundred thirty-one million, nine hundred sixty-three thousand, six hundred seventy-eight".