137231322 has 8 divisors (see below), whose sum is σ = 274462656. Its totient is φ = 45743772.

The previous prime is 137231321. The next prime is 137231323. The reversal of 137231322 is 223132731.

It is an interprime number because it is at equal distance from previous prime (137231321) and next prime (137231323).

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

137231322 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 137231292 and 137231301.

It is not an unprimeable number, because it can be changed into a prime (137231321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11435938 + ... + 11435949.

It is an arithmetic number, because the mean of its divisors is an integer number (34307832).

Almost surely, 2^137231322 is an apocalyptic number.

137231322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

137231322 is a wasteful number, since it uses less digits than its factorization.

137231322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22871892.

The product of its digits is 1512, while the sum is 24.

The square root of 137231322 is about 11714.5773291229. The cubic root of 137231322 is about 515.8036555425.

The spelling of 137231322 in words is "one hundred thirty-seven million, two hundred thirty-one thousand, three hundred twenty-two".