133525534 has 8 divisors (see below), whose sum is σ = 208996560. Its totient is φ = 63860016.

The previous prime is 133525519. The next prime is 133525571. The reversal of 133525534 is 435525331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 133525496 and 133525505.

It is a congruent number.

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, 1451319 + ... + 1451410.

It is an arithmetic number, because the mean of its divisors is an integer number (26124570).

Almost surely, 2^133525534 is an apocalyptic number.

133525534 is a deficient number, since it is larger than the sum of its proper divisors (75471026).

133525534 is a wasteful number, since it uses less digits than its factorization.

133525534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902754.

The product of its digits is 27000, while the sum is 31.

The square root of 133525534 is about 11555.3249197069. The cubic root of 133525534 is about 511.1183123784.

The spelling of 133525534 in words is "one hundred thirty-three million, five hundred twenty-five thousand, five hundred thirty-four".