136854302388 has 24 divisors (see below), whose sum is σ = 319342706592. Its totient is φ = 45615814944.

The previous prime is 136854302369. The next prime is 136854302441. The reversal of 136854302388 is 883203458631.

It is a happy number.

It is a super-2 number, since 2×136854302388² (a number of 23 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 136854302388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26895 + ... + 523862.

It is an arithmetic number, because the mean of its divisors is an integer number (13305946108).

Almost surely, 2^136854302388 is an apocalyptic number.

It is an amenable number.

136854302388 is an abundant number, since it is smaller than the sum of its proper divisors (182488404204).

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

136854302388 is a wasteful number, since it uses less digits than its factorization.

136854302388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571471 (or 571469 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 136854302388 in words is "one hundred thirty-six billion, eight hundred fifty-four million, three hundred two thousand, three hundred eighty-eight".