131363770 has 8 divisors (see below), whose sum is σ = 236454804. Its totient is φ = 52545504.

The previous prime is 131363761. The next prime is 131363773. The reversal of 131363770 is 77363131.

It can be written as a sum of positive squares in 2 ways, for example, as 128845201 + 2518569 = 11351^2 + 1587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×131363770² = 34512880137225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131363773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6568179 + ... + 6568198.

Almost surely, 2^131363770 is an apocalyptic number.

131363770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131363770 is a deficient number, since it is larger than the sum of its proper divisors (105091034).

131363770 is a wasteful number, since it uses less digits than its factorization.

131363770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13136384.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 131363770 is about 11461.4034917195. The cubic root of 131363770 is about 508.3449746207.

The spelling of 131363770 in words is "one hundred thirty-one million, three hundred sixty-three thousand, seven hundred seventy".