133953357 has 32 divisors (see below), whose sum is σ = 194365440. Its totient is φ = 81829440.

The previous prime is 133953341. The next prime is 133953361. The reversal of 133953357 is 753359331.

It is not a de Polignac number, because 133953357 - 2⁴ = 133953341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133953307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180894 + ... + 181632.

It is an arithmetic number, because the mean of its divisors is an integer number (6073920).

Almost surely, 2^133953357 is an apocalyptic number.

It is an amenable number.

133953357 is a deficient number, since it is larger than the sum of its proper divisors (60412083).

133953357 is a wasteful number, since it uses less digits than its factorization.

133953357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873.

The product of its digits is 127575, while the sum is 39.

The square root of 133953357 is about 11573.8220566933. The cubic root of 133953357 is about 511.6636139311.

The spelling of 133953357 in words is "one hundred thirty-three million, nine hundred fifty-three thousand, three hundred fifty-seven".