135737721556510 has 8 divisors (see below), whose sum is σ = 244327898801736. Its totient is φ = 54295088622600.

The previous prime is 135737721556483. The next prime is 135737721556513. The reversal of 135737721556510 is 15655127737531.

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 (135737721556513) 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, 6786886077816 + ... + 6786886077835.

It is an arithmetic number, because the mean of its divisors is an integer number (30540987350217).

Almost surely, 2^{135737721556510} is an apocalyptic number.

135737721556510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135737721556510 is a deficient number, since it is larger than the sum of its proper divisors (108590177245226).

135737721556510 is a wasteful number, since it uses less digits than its factorization.

135737721556510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13573772155658.

The product of its (nonzero) digits is 23152500, while the sum is 58.

The spelling of 135737721556510 in words is "one hundred thirty-five trillion, seven hundred thirty-seven billion, seven hundred twenty-one million, five hundred fifty-six thousand, five hundred ten".