136487293770 has 32 divisors (see below), whose sum is σ = 327582164160. Its totient is φ = 36395205120.

The previous prime is 136487293753. The next prime is 136487293783. The reversal of 136487293770 is 77392784631.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136487293770.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873786 + ... + 1018074.

It is an arithmetic number, because the mean of its divisors is an integer number (10236942630).

Almost surely, 2^136487293770 is an apocalyptic number.

136487293770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136487293770 is an abundant number, since it is smaller than the sum of its proper divisors (191094870390).

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

136487293770 is a wasteful number, since it uses less digits than its factorization.

136487293770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175830.

The product of its (nonzero) digits is 10668672, while the sum is 57.

The spelling of 136487293770 in words is "one hundred thirty-six billion, four hundred eighty-seven million, two hundred ninety-three thousand, seven hundred seventy".