137247433 has 4 divisors (see below), whose sum is σ = 137345040. Its totient is φ = 137149828.

The previous prime is 137247421. The next prime is 137247437. The reversal of 137247433 is 334742731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137247433 - 2¹⁷ = 137116361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137247437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46663 + ... + 49516.

It is an arithmetic number, because the mean of its divisors is an integer number (34336260).

Almost surely, 2^137247433 is an apocalyptic number.

It is an amenable number.

137247433 is a deficient number, since it is larger than the sum of its proper divisors (97607).

137247433 is an equidigital number, since it uses as much as digits as its factorization.

137247433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97606.

The product of its digits is 42336, while the sum is 34.

The square root of 137247433 is about 11715.2649564575. The cubic root of 137247433 is about 515.8238399227.

The spelling of 137247433 in words is "one hundred thirty-seven million, two hundred forty-seven thousand, four hundred thirty-three".