131791070 has 8 divisors (see below), whose sum is σ = 237223944. Its totient is φ = 52716424.

The previous prime is 131791067. The next prime is 131791147. The reversal of 131791070 is 70197131.

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

It is a super-2 number, since 2×131791070² = 34737772263489800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6589544 + ... + 6589563.

It is an arithmetic number, because the mean of its divisors is an integer number (29652993).

Almost surely, 2^131791070 is an apocalyptic number.

131791070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131791070 is a deficient number, since it is larger than the sum of its proper divisors (105432874).

131791070 is a wasteful number, since it uses less digits than its factorization.

131791070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13179114.

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 131791070 is about 11480.0291811476. The cubic root of 131791070 is about 508.8955594903.

The spelling of 131791070 in words is "one hundred thirty-one million, seven hundred ninety-one thousand, seventy".