133061425 has 48 divisors (see below), whose sum is σ = 197487360. Its totient is φ = 87010560.

The previous prime is 133061419. The next prime is 133061443. The reversal of 133061425 is 524160331.

It is not a de Polignac number, because 133061425 - 2⁷ = 133061297 is a prime.

It is a super-3 number, since 3×133061425³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 133061425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 796692 + ... + 796858.

It is an arithmetic number, because the mean of its divisors is an integer number (4114320).

Almost surely, 2^133061425 is an apocalyptic number.

It is an amenable number.

133061425 is a deficient number, since it is larger than the sum of its proper divisors (64425935).

133061425 is a wasteful number, since it uses less digits than its factorization.

133061425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 133061425 is about 11535.2253987514. The cubic root of 133061425 is about 510.5254420585.

The spelling of 133061425 in words is "one hundred thirty-three million, sixty-one thousand, four hundred twenty-five".