135621651710 has 8 divisors (see below), whose sum is σ = 244118973096. Its totient is φ = 54248660680.

The previous prime is 135621651709. The next prime is 135621651713. The reversal of 135621651710 is 17156126531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135621651713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6781082576 + ... + 6781082595.

It is an arithmetic number, because the mean of its divisors is an integer number (30514871637).

Almost surely, 2^135621651710 is an apocalyptic number.

135621651710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135621651710 is a deficient number, since it is larger than the sum of its proper divisors (108497321386).

135621651710 is a wasteful number, since it uses less digits than its factorization.

135621651710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13562165178.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 135621651710 in words is "one hundred thirty-five billion, six hundred twenty-one million, six hundred fifty-one thousand, seven hundred ten".