135721035010 has 64 divisors (see below), whose sum is σ = 275787348480. Its totient is φ = 47635598080.

The previous prime is 135721035001. The next prime is 135721035017. The reversal of 135721035010 is 10530127531.

It is a self number, because there is not a number n which added to its sum of digits gives 135721035010.

It is not an unprimeable number, because it can be changed into a prime (135721035017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14232204 + ... + 14241736.

It is an arithmetic number, because the mean of its divisors is an integer number (4309177320).

Almost surely, 2^135721035010 is an apocalyptic number.

135721035010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135721035010 is an abundant number, since it is smaller than the sum of its proper divisors (140066313470).

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

135721035010 is a wasteful number, since it uses less digits than its factorization.

135721035010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14043.

The product of its (nonzero) digits is 3150, while the sum is 28.

The spelling of 135721035010 in words is "one hundred thirty-five billion, seven hundred twenty-one million, thirty-five thousand, ten".