136405810982 has 32 divisors (see below), whose sum is σ = 248141145600. Its totient is φ = 54970141248.

The previous prime is 136405810979. The next prime is 136405810987. The reversal of 136405810982 is 289018504631.

It is a happy number.

It is a super-2 number, since 2×136405810982² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136405810987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3571007 + ... + 3609002.

It is an arithmetic number, because the mean of its divisors is an integer number (7754410800).

Almost surely, 2^136405810982 is an apocalyptic number.

136405810982 is a deficient number, since it is larger than the sum of its proper divisors (111735334618).

136405810982 is a wasteful number, since it uses less digits than its factorization.

136405810982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7180100.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 136405810982 in words is "one hundred thirty-six billion, four hundred five million, eight hundred ten thousand, nine hundred eighty-two".