135578452 has 48 divisors (see below), whose sum is σ = 257826240. Its totient is φ = 62180352.

The previous prime is 135578437. The next prime is 135578483. The reversal of 135578452 is 254875531.

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, 390543 + ... + 390889.

It is an arithmetic number, because the mean of its divisors is an integer number (5371380).

Almost surely, 2^135578452 is an apocalyptic number.

It is an amenable number.

135578452 is a deficient number, since it is larger than the sum of its proper divisors (122247788).

135578452 is a wasteful number, since it uses less digits than its factorization.

135578452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 518 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 135578452 is about 11643.8160411439. The cubic root of 135578452 is about 513.7244355554.

The spelling of 135578452 in words is "one hundred thirty-five million, five hundred seventy-eight thousand, four hundred fifty-two".