135056402140 has 48 divisors (see below), whose sum is σ = 309996064224. Its totient is φ = 49017113600.

The previous prime is 135056402113. The next prime is 135056402161. The reversal of 135056402140 is 41204650531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474529 + ... + 703768.

It is an arithmetic number, because the mean of its divisors is an integer number (6458251338).

Almost surely, 2^135056402140 is an apocalyptic number.

135056402140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135056402140 is an abundant number, since it is smaller than the sum of its proper divisors (174939662084).

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

135056402140 is a wasteful number, since it uses less digits than its factorization.

135056402140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178838 (or 1178836 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 135056402140 in words is "one hundred thirty-five billion, fifty-six million, four hundred two thousand, one hundred forty".