135553902 has 16 divisors (see below), whose sum is σ = 295754112. Its totient is φ = 41076920.

The previous prime is 135553889. The next prime is 135553921. The reversal of 135553902 is 209355531.

135553902 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 1026858 + ... + 1026989.

It is an arithmetic number, because the mean of its divisors is an integer number (18484632).

Almost surely, 2^135553902 is an apocalyptic number.

135553902 is an abundant number, since it is smaller than the sum of its proper divisors (160200210).

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

135553902 is a wasteful number, since it uses less digits than its factorization.

135553902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053863.

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 135553902 is about 11642.7617857620. The cubic root of 135553902 is about 513.6934259664.

The spelling of 135553902 in words is "one hundred thirty-five million, five hundred fifty-three thousand, nine hundred two".