133439092 has 24 divisors (see below), whose sum is σ = 247471560. Its totient is φ = 62845440.

The previous prime is 133439083. The next prime is 133439093. The reversal of 133439092 is 290934331.

It can be written as a sum of positive squares in 4 ways, for example, as 2702736 + 130736356 = 1644^2 + 11434^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133439093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9273 + ... + 18784.

It is an arithmetic number, because the mean of its divisors is an integer number (10311315).

Almost surely, 2^133439092 is an apocalyptic number.

It is an amenable number.

133439092 is a deficient number, since it is larger than the sum of its proper divisors (114032468).

133439092 is a wasteful number, since it uses less digits than its factorization.

133439092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28131 (or 28129 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 133439092 is about 11551.5839606523. The cubic root of 133439092 is about 511.0079923383.

The spelling of 133439092 in words is "one hundred thirty-three million, four hundred thirty-nine thousand, ninety-two".