133372011 has 4 divisors (see below), whose sum is σ = 177829352. Its totient is φ = 88914672.

The previous prime is 133372003. The next prime is 133372027. The reversal of 133372011 is 110273331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133372011 - 2³ = 133372003 is a prime.

It is a super-3 number, since 3×133372011³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133372061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22228666 + ... + 22228671.

It is an arithmetic number, because the mean of its divisors is an integer number (44457338).

Almost surely, 2^133372011 is an apocalyptic number.

133372011 is a deficient number, since it is larger than the sum of its proper divisors (44457341).

133372011 is an equidigital number, since it uses as much as digits as its factorization.

133372011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44457340.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 133372011 is about 11548.6800544478. The cubic root of 133372011 is about 510.9223485879.

The spelling of 133372011 in words is "one hundred thirty-three million, three hundred seventy-two thousand, eleven".