133753125 has 48 divisors (see below), whose sum is σ = 243359424. Its totient is φ = 64800000.

The previous prime is 133753097. The next prime is 133753153. The reversal of 133753125 is 521357331.

It is an interprime number because it is at equal distance from previous prime (133753097) and next prime (133753153).

It is not a de Polignac number, because 133753125 - 2⁸ = 133752869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133753092 and 133753101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102477 + ... + 103773.

It is an arithmetic number, because the mean of its divisors is an integer number (5069988).

Almost surely, 2^133753125 is an apocalyptic number.

133753125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133753125 is a deficient number, since it is larger than the sum of its proper divisors (109606299).

133753125 is an equidigital number, since it uses as much as digits as its factorization.

133753125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1316 counting only the distinct ones).

The product of its digits is 9450, while the sum is 30.

The square root of 133753125 is about 11565.1686109628. The cubic root of 133753125 is about 511.4085437554.

The spelling of 133753125 in words is "one hundred thirty-three million, seven hundred fifty-three thousand, one hundred twenty-five".