133972298 has 8 divisors (see below), whose sum is σ = 201015108. Its totient is φ = 66967264.

The previous prime is 133972283. The next prime is 133972313. The reversal of 133972298 is 892279331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133972283) and next prime (133972313).

It can be written as a sum of positive squares in 2 ways, for example, as 126720049 + 7252249 = 11257^2 + 2693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2390 + ... + 16542.

Almost surely, 2^133972298 is an apocalyptic number.

133972298 is a deficient number, since it is larger than the sum of its proper divisors (67042810).

133972298 is a wasteful number, since it uses less digits than its factorization.

133972298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18888.

The product of its digits is 163296, while the sum is 44.

The square root of 133972298 is about 11574.6402967868. The cubic root of 133972298 is about 511.6877292002.

It can be divided in two parts, 1339 and 72298, that added together give a palindrome (73637).

The spelling of 133972298 in words is "one hundred thirty-three million, nine hundred seventy-two thousand, two hundred ninety-eight".