135570625178 has 12 divisors (see below), whose sum is σ = 214622195850. Its totient is φ = 64217664216.

The previous prime is 135570625103. The next prime is 135570625181. The reversal of 135570625178 is 871526075531.

It can be written as a sum of positive squares in only one way, i.e., 124180826449 + 11389798729 = 352393^2 + 106723^2 .

It is a super-2 number, since 2×135570625178² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93884753 + ... + 93886196.

Almost surely, 2^135570625178 is an apocalyptic number.

135570625178 is a deficient number, since it is larger than the sum of its proper divisors (79051570672).

135570625178 is a wasteful number, since it uses less digits than its factorization.

135570625178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187770989 (or 187770970 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 50.

The spelling of 135570625178 in words is "one hundred thirty-five billion, five hundred seventy million, six hundred twenty-five thousand, one hundred seventy-eight".