135898252 has 12 divisors (see below), whose sum is σ = 271796560. Its totient is φ = 58242096.

The previous prime is 135898211. The next prime is 135898271. The reversal of 135898252 is 252898531.

135898252 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 135898199 and 135898208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2426727 + ... + 2426782.

Almost surely, 2^135898252 is an apocalyptic number.

It is an amenable number.

135898252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

135898252 is a wasteful number, since it uses less digits than its factorization.

135898252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853520 (or 4853518 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 135898252 is about 11657.5405639440. The cubic root of 135898252 is about 514.1280396853.

The spelling of 135898252 in words is "one hundred thirty-five million, eight hundred ninety-eight thousand, two hundred fifty-two".