135961705080 has 48 divisors (see below), whose sum is σ = 441875542680. Its totient is φ = 36256454592.

The previous prime is 135961705037. The next prime is 135961705129. The reversal of 135961705080 is 80507169531.

It is a happy number.

135961705080 is a `hidden beast` number, since 1 + 3 + 596 + 1 + 7 + 0 + 50 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 188835342 + ... + 188836061.

Almost surely, 2^135961705080 is an apocalyptic number.

135961705080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135961705080 is an abundant number, since it is smaller than the sum of its proper divisors (305913837600).

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

135961705080 is a wasteful number, since it uses less digits than its factorization.

135961705080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377671420 (or 377671413 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 135961705080 in words is "one hundred thirty-five billion, nine hundred sixty-one million, seven hundred five thousand, eighty".