131995039 has 8 divisors (see below), whose sum is σ = 144293760. Its totient is φ = 119746200.

The previous prime is 131995013. The next prime is 131995057. The reversal of 131995039 is 930599131.

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

It is a cyclic number.

It is not a de Polignac number, because 131995039 - 2¹⁹ = 131470751 is a prime.

It is a super-2 number, since 2×131995039² = 34845380641223042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131994992 and 131995010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131995139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6819 + ... + 17620.

It is an arithmetic number, because the mean of its divisors is an integer number (18036720).

Almost surely, 2^131995039 is an apocalyptic number.

131995039 is a deficient number, since it is larger than the sum of its proper divisors (12298721).

131995039 is a wasteful number, since it uses less digits than its factorization.

131995039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24941.

The product of its (nonzero) digits is 32805, while the sum is 40.

The square root of 131995039 is about 11488.9093912347. The cubic root of 131995039 is about 509.1579581884.

The spelling of 131995039 in words is "one hundred thirty-one million, nine hundred ninety-five thousand, thirty-nine".