133925570 has 16 divisors (see below), whose sum is σ = 247582008. Its totient is φ = 52122240.

The previous prime is 133925551. The next prime is 133925593. The reversal of 133925570 is 75529331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 105740089 + 28185481 = 10283^2 + 5309^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133925570.

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, 180611 + ... + 181350.

Almost surely, 2^133925570 is an apocalyptic number.

133925570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133925570 is a deficient number, since it is larger than the sum of its proper divisors (113656438).

133925570 is a wasteful number, since it uses less digits than its factorization.

133925570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362005.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 133925570 is about 11572.6215698950. The cubic root of 133925570 is about 511.6282320132.

The spelling of 133925570 in words is "one hundred thirty-three million, nine hundred twenty-five thousand, five hundred seventy".