136009343904 has 144 divisors (see below), whose sum is σ = 429635858400. Its totient is φ = 37519781376.

The previous prime is 136009343893. The next prime is 136009343941. The reversal of 136009343904 is 409343900631.

It is a super-2 number, since 2×136009343904² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362094 + ... + 634925.

It is an arithmetic number, because the mean of its divisors is an integer number (2983582350).

Almost surely, 2^136009343904 is an apocalyptic number.

136009343904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

136009343904 is an abundant number, since it is smaller than the sum of its proper divisors (293626514496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136009343904 is a wasteful number, since it uses less digits than its factorization.

136009343904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997075 (or 997060 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 42.

The spelling of 136009343904 in words is "one hundred thirty-six billion, nine million, three hundred forty-three thousand, nine hundred four".