133251036 has 12 divisors (see below), whose sum is σ = 310919112. Its totient is φ = 44417008.

The previous prime is 133251031. The next prime is 133251037. The reversal of 133251036 is 630152331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 133250997 and 133251015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133251031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5552115 + ... + 5552138.

It is an arithmetic number, because the mean of its divisors is an integer number (25909926).

Almost surely, 2^133251036 is an apocalyptic number.

It is an amenable number.

133251036 is an abundant number, since it is smaller than the sum of its proper divisors (177668076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133251036 is a wasteful number, since it uses less digits than its factorization.

133251036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104260 (or 11104258 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 133251036 is about 11543.4412546693. The cubic root of 133251036 is about 510.7678245915.

The spelling of 133251036 in words is "one hundred thirty-three million, two hundred fifty-one thousand, thirty-six".