131913535 has 8 divisors (see below), whose sum is σ = 170472960. Its totient is φ = 97413024.

The previous prime is 131913521. The next prime is 131913539. The reversal of 131913535 is 535319131.

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 131913535 - 2⁷ = 131913407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131913497 and 131913506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131913539) 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, 1014655 + ... + 1014784.

It is an arithmetic number, because the mean of its divisors is an integer number (21309120).

Almost surely, 2^131913535 is an apocalyptic number.

131913535 is a deficient number, since it is larger than the sum of its proper divisors (38559425).

131913535 is a wasteful number, since it uses less digits than its factorization.

131913535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029457.

The product of its digits is 6075, while the sum is 31.

The square root of 131913535 is about 11485.3617705321. The cubic root of 131913535 is about 509.0531387070.

The spelling of 131913535 in words is "one hundred thirty-one million, nine hundred thirteen thousand, five hundred thirty-five".