135185702064 has 80 divisors (see below), whose sum is σ = 401125516800. Its totient is φ = 38430374400.

The previous prime is 135185702063. The next prime is 135185702077. The reversal of 135185702064 is 460207581531.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (135185702063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944037 + ... + 1077764.

It is an arithmetic number, because the mean of its divisors is an integer number (5014068960).

Almost surely, 2^135185702064 is an apocalyptic number.

135185702064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135185702064 is an abundant number, since it is smaller than the sum of its proper divisors (265939814736).

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

135185702064 is a wasteful number, since it uses less digits than its factorization.

135185702064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022018 (or 2022012 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 135185702064 in words is "one hundred thirty-five billion, one hundred eighty-five million, seven hundred two thousand, sixty-four".