133770725 has 24 divisors (see below), whose sum is σ = 185860128. Its totient is φ = 94651200.

The previous prime is 133770713. The next prime is 133770727. The reversal of 133770725 is 527077331.

It is not a de Polignac number, because 133770725 - 2¹⁸ = 133508581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133770727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3602 + ... + 16748.

It is an arithmetic number, because the mean of its divisors is an integer number (7744172).

Almost surely, 2^133770725 is an apocalyptic number.

It is an amenable number.

133770725 is a deficient number, since it is larger than the sum of its proper divisors (52089403).

133770725 is a wasteful number, since it uses less digits than its factorization.

133770725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13205 (or 13200 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 35.

The square root of 133770725 is about 11565.9294913984. The cubic root of 133770725 is about 511.4309741238.

The spelling of 133770725 in words is "one hundred thirty-three million, seven hundred seventy thousand, seven hundred twenty-five".