136220304432531 has 16 divisors (see below), whose sum is σ = 198853926536448. Its totient is φ = 82259717800800.

The previous prime is 136220304432451. The next prime is 136220304432593. The reversal of 136220304432531 is 135234403022631.

It is not a de Polignac number, because 136220304432531 - 2³³ = 136211714497939 is a prime.

It is a super-2 number, since 2×136220304432531² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136220304432531.

It is not an unprimeable number, because it can be changed into a prime (136220304432431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7451052255 + ... + 7451070536.

It is an arithmetic number, because the mean of its divisors is an integer number (12428370408528).

Almost surely, 2^{136220304432531} is an apocalyptic number.

136220304432531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136220304432531 is a deficient number, since it is larger than the sum of its proper divisors (62633622103917).

136220304432531 is a wasteful number, since it uses less digits than its factorization.

136220304432531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14902123082.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 136220304432531 in words is "one hundred thirty-six trillion, two hundred twenty billion, three hundred four million, four hundred thirty-two thousand, five hundred thirty-one".