133151151 has 32 divisors (see below), whose sum is σ = 211622400. Its totient is φ = 72858240.

The previous prime is 133151147. The next prime is 133151201. The reversal of 133151151 is 151151331.

It is not a de Polignac number, because 133151151 - 2² = 133151147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133151131) 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, 78945 + ... + 80613.

It is an arithmetic number, because the mean of its divisors is an integer number (6613200).

Almost surely, 2^133151151 is an apocalyptic number.

133151151 is a deficient number, since it is larger than the sum of its proper divisors (78471249).

133151151 is a wasteful number, since it uses less digits than its factorization.

133151151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its digits is 225, while the sum is 21.

The square root of 133151151 is about 11539.1139607857. The cubic root of 133151151 is about 510.6401688056.

The spelling of 133151151 in words is "one hundred thirty-three million, one hundred fifty-one thousand, one hundred fifty-one".