137231417 has 4 divisors (see below), whose sum is σ = 137257716. Its totient is φ = 137205120.

The previous prime is 137231401. The next prime is 137231443. The reversal of 137231417 is 714132731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124300201 + 12931216 = 11149^2 + 3596^2 .

It is a cyclic number.

It is not a de Polignac number, because 137231417 - 2⁴ = 137231401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137231417.

It is not an unprimeable number, because it can be changed into a prime (137231917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2384 + ... + 16737.

It is an arithmetic number, because the mean of its divisors is an integer number (34314429).

Almost surely, 2^137231417 is an apocalyptic number.

It is an amenable number.

137231417 is a deficient number, since it is larger than the sum of its proper divisors (26299).

137231417 is an equidigital number, since it uses as much as digits as its factorization.

137231417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26298.

The product of its digits is 3528, while the sum is 29.

The square root of 137231417 is about 11714.5813838993. The cubic root of 137231417 is about 515.8037745662.

The spelling of 137231417 in words is "one hundred thirty-seven million, two hundred thirty-one thousand, four hundred seventeen".