137396273 has 16 divisors (see below), whose sum is σ = 164229120. Its totient is φ = 112388496.

The previous prime is 137396263. The next prime is 137396279. The reversal of 137396273 is 372693731.

It is a cyclic number.

It is not a de Polignac number, because 137396273 - 2²⁰ = 136347697 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 137396273.

It is not an unprimeable number, because it can be changed into a prime (137396279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103508 + ... + 104826.

It is an arithmetic number, because the mean of its divisors is an integer number (10264320).

Almost surely, 2^137396273 is an apocalyptic number.

It is an amenable number.

137396273 is a deficient number, since it is larger than the sum of its proper divisors (26832847).

137396273 is a wasteful number, since it uses less digits than its factorization.

137396273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996.

The product of its digits is 142884, while the sum is 41.

The square root of 137396273 is about 11721.6156309615. The cubic root of 137396273 is about 516.0102368119.

The spelling of 137396273 in words is "one hundred thirty-seven million, three hundred ninety-six thousand, two hundred seventy-three".