133111395 has 12 divisors (see below), whose sum is σ = 230726496. Its totient is φ = 70992720.

The previous prime is 133111393. The next prime is 133111399. The reversal of 133111395 is 593111331.

It is not a de Polignac number, because 133111395 - 2¹ = 133111393 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (133111393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1478971 + ... + 1479060.

It is an arithmetic number, because the mean of its divisors is an integer number (19227208).

Almost surely, 2^133111395 is an apocalyptic number.

133111395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133111395 is a deficient number, since it is larger than the sum of its proper divisors (97615101).

133111395 is a wasteful number, since it uses less digits than its factorization.

133111395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958042 (or 2958039 counting only the distinct ones).

The product of its digits is 1215, while the sum is 27.

The square root of 133111395 is about 11537.3911695842. The cubic root of 133111395 is about 510.5893417788.

It can be divided in two parts, 13311 and 1395, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 133111395 in words is "one hundred thirty-three million, one hundred eleven thousand, three hundred ninety-five".