131913853 has 2 divisors, whose sum is σ = 131913854. Its totient is φ = 131913852.

The previous prime is 131913839. The next prime is 131913869. The reversal of 131913853 is 358319131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116057529 + 15856324 = 10773^2 + 3982^2 .

It is a cyclic number.

It is not a de Polignac number, because 131913853 - 2¹³ = 131905661 is a prime.

It is a super-2 number, since 2×131913853² = 34802529226611218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131913823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65956926 + 65956927.

It is an arithmetic number, because the mean of its divisors is an integer number (65956927).

Almost surely, 2^131913853 is an apocalyptic number.

It is an amenable number.

131913853 is a deficient number, since it is larger than the sum of its proper divisors (1).

131913853 is an equidigital number, since it uses as much as digits as its factorization.

131913853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 34.

The square root of 131913853 is about 11485.3756142322. The cubic root of 131913853 is about 509.0535477597.

The spelling of 131913853 in words is "one hundred thirty-one million, nine hundred thirteen thousand, eight hundred fifty-three".