133397061 has 48 divisors (see below), whose sum is σ = 217041408. Its totient is φ = 72576000.

The previous prime is 133397041. The next prime is 133397093. The reversal of 133397061 is 160793331.

It is not a de Polignac number, because 133397061 - 2⁵ = 133397029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133397041) by changing a digit.

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, 332461 + ... + 332861.

It is an arithmetic number, because the mean of its divisors is an integer number (4521696).

Almost surely, 2^133397061 is an apocalyptic number.

It is an amenable number.

133397061 is a deficient number, since it is larger than the sum of its proper divisors (83644347).

133397061 is a wasteful number, since it uses less digits than its factorization.

133397061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 133397061 is about 11549.7645430545. The cubic root of 133397061 is about 510.9543338186.

The spelling of 133397061 in words is "one hundred thirty-three million, three hundred ninety-seven thousand, sixty-one".