135028661252 has 24 divisors (see below), whose sum is σ = 236923898400. Its totient is φ = 67336201856.

The previous prime is 135028661231. The next prime is 135028661263. The reversal of 135028661252 is 252166820531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9031199 + ... + 9046137.

It is an arithmetic number, because the mean of its divisors is an integer number (9871829100).

Almost surely, 2^135028661252 is an apocalyptic number.

It is an amenable number.

135028661252 is a deficient number, since it is larger than the sum of its proper divisors (101895237148).

135028661252 is a wasteful number, since it uses less digits than its factorization.

135028661252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20755 (or 20753 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 135028661252 in words is "one hundred thirty-five billion, twenty-eight million, six hundred sixty-one thousand, two hundred fifty-two".