133151725 has 24 divisors (see below), whose sum is σ = 189148608. Its totient is φ = 91084800.

The previous prime is 133151651. The next prime is 133151737. The reversal of 133151725 is 527151331.

It is not a de Polignac number, because 133151725 - 2⁷ = 133151597 is a prime.

It is a super-3 number, since 3×133151725³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133151693 and 133151702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111582 + ... + 112768.

It is an arithmetic number, because the mean of its divisors is an integer number (7881192).

Almost surely, 2^133151725 is an apocalyptic number.

It is an amenable number.

133151725 is a deficient number, since it is larger than the sum of its proper divisors (55996883).

133151725 is a wasteful number, since it uses less digits than its factorization.

133151725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845 (or 1840 counting only the distinct ones).

The product of its digits is 3150, while the sum is 28.

The square root of 133151725 is about 11539.1388326859. The cubic root of 133151725 is about 510.6409025758.

The spelling of 133151725 in words is "one hundred thirty-three million, one hundred fifty-one thousand, seven hundred twenty-five".