135920952 has 48 divisors (see below), whose sum is σ = 371783880. Its totient is φ = 44856000.

The previous prime is 135920947. The next prime is 135920969. The reversal of 135920952 is 259029531.

It is a happy number.

135920952 is a `hidden beast` number, since 13 + 592 + 0 + 9 + 52 = 666.

135920952 is digitally balanced in base 2, 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 (36).

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, 2074 + ... + 16617.

Almost surely, 2^135920952 is an apocalyptic number.

135920952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135920952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185891940).

135920952 is an abundant number, since it is smaller than the sum of its proper divisors (235862928).

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

135920952 is a wasteful number, since it uses less digits than its factorization.

135920952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18804 (or 18797 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 135920952 is about 11658.5141420337. The cubic root of 135920952 is about 514.1566641809.

The spelling of 135920952 in words is "one hundred thirty-five million, nine hundred twenty thousand, nine hundred fifty-two".