133250706 has 24 divisors (see below), whose sum is σ = 288922140. Its totient is φ = 44384256.

The previous prime is 133250701. The next prime is 133250717. The reversal of 133250706 is 607052331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 133056225 + 194481 = 11535^2 + 441^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133250706.

It is not an unprimeable number, because it can be changed into a prime (133250701) 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, 47026 + ... + 49778.

Almost surely, 2^133250706 is an apocalyptic number.

133250706 is an abundant number, since it is smaller than the sum of its proper divisors (155671434).

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

133250706 is a wasteful number, since it uses less digits than its factorization.

133250706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450 (or 5447 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 133250706 is about 11543.4269608293. The cubic root of 133250706 is about 510.7674029475.

It can be divided in two parts, 133250 and 706, that added together give a square (133956 = 366²).

The spelling of 133250706 in words is "one hundred thirty-three million, two hundred fifty thousand, seven hundred six".