137223793 has 16 divisors (see below), whose sum is σ = 163215360. Its totient is φ = 112923216.

The previous prime is 137223769. The next prime is 137223803. The reversal of 137223793 is 397322731.

It is a de Polignac number, because none of the positive numbers 2^k-137223793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137223703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13896 + ... + 21622.

It is an arithmetic number, because the mean of its divisors is an integer number (10200960).

Almost surely, 2^137223793 is an apocalyptic number.

It is an amenable number.

137223793 is a deficient number, since it is larger than the sum of its proper divisors (25991567).

137223793 is an equidigital number, since it uses as much as digits as its factorization.

137223793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7836.

The product of its digits is 47628, while the sum is 37.

The square root of 137223793 is about 11714.2559729588. The cubic root of 137223793 is about 515.7942224270.

The spelling of 137223793 in words is "one hundred thirty-seven million, two hundred twenty-three thousand, seven hundred ninety-three".