135450172536 has 64 divisors (see below), whose sum is σ = 409765236480. Its totient is φ = 36423575040.

The previous prime is 135450172523. The next prime is 135450172577. The reversal of 135450172536 is 635271054531.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 23710410 + ... + 23716121.

It is an arithmetic number, because the mean of its divisors is an integer number (6402581820).

Almost surely, 2^135450172536 is an apocalyptic number.

It is an amenable number.

135450172536 is an abundant number, since it is smaller than the sum of its proper divisors (274315063944).

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

135450172536 is a wasteful number, since it uses less digits than its factorization.

135450172536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47426564 (or 47426560 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 135450172536 in words is "one hundred thirty-five billion, four hundred fifty million, one hundred seventy-two thousand, five hundred thirty-six".