131520413205 has 40 divisors (see below), whose sum is σ = 246013080192. Its totient is φ = 67094466912.

The previous prime is 131520413107. The next prime is 131520413239. The reversal of 131520413205 is 502314025131.

131520413205 is a `hidden beast` number, since 1 + 3 + 1 + 520 + 4 + 132 + 0 + 5 = 666.

It is not a de Polignac number, because 131520413205 - 2⁸ = 131520412949 is a prime.

It is a super-2 number, since 2×131520413205² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7050289 + ... + 7068918.

Almost surely, 2^131520413205 is an apocalyptic number.

131520413205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131520413205 is a deficient number, since it is larger than the sum of its proper divisors (114492666987).

131520413205 is a wasteful number, since it uses less digits than its factorization.

131520413205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14119247 (or 14119238 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 131520413205 its reverse (502314025131), we get a palindrome (633834438336).

The spelling of 131520413205 in words is "one hundred thirty-one billion, five hundred twenty million, four hundred thirteen thousand, two hundred five".