135572289578650 has 24 divisors (see below), whose sum is σ = 266997662065980. Its totient is φ = 51038979605760.

The previous prime is 135572289578603. The next prime is 135572289578711. The reversal of 135572289578650 is 56875982275531.

It can be written as a sum of positive squares in 6 ways, for example, as 64999504199529 + 70572785379121 = 8062227^2 + 8400761^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79748404785 + ... + 79748406484.

Almost surely, 2^{135572289578650} is an apocalyptic number.

135572289578650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135572289578650 is a deficient number, since it is larger than the sum of its proper divisors (131425372487330).

135572289578650 is a wasteful number, since it uses less digits than its factorization.

135572289578650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159496811298 (or 159496811293 counting only the distinct ones).

The product of its (nonzero) digits is 1270080000, while the sum is 73.

The spelling of 135572289578650 in words is "one hundred thirty-five trillion, five hundred seventy-two billion, two hundred eighty-nine million, five hundred seventy-eight thousand, six hundred fifty".