136787490704 has 20 divisors (see below), whose sum is σ = 278974488240. Its totient is φ = 64794074400.

The previous prime is 136787490689. The next prime is 136787490769. The reversal of 136787490704 is 407094787631.

It is a super-2 number, since 2×136787490704² (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 136787490704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224979122 + ... + 224979729.

It is an arithmetic number, because the mean of its divisors is an integer number (13948724412).

Almost surely, 2^136787490704 is an apocalyptic number.

It is an amenable number.

136787490704 is an abundant number, since it is smaller than the sum of its proper divisors (142186997536).

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

136787490704 is a wasteful number, since it uses less digits than its factorization.

136787490704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449958878 (or 449958872 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 136787490704 in words is "one hundred thirty-six billion, seven hundred eighty-seven million, four hundred ninety thousand, seven hundred four".