137274743 has 8 divisors (see below), whose sum is σ = 138692400. Its totient is φ = 135864000.

The previous prime is 137274721. The next prime is 137274749. The reversal of 137274743 is 347472731.

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

It is a cyclic number.

It is not a de Polignac number, because 137274743 - 2⁶ = 137274679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137274697 and 137274706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137274749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44243 + ... + 47243.

It is an arithmetic number, because the mean of its divisors is an integer number (17336550).

Almost surely, 2^137274743 is an apocalyptic number.

137274743 is a deficient number, since it is larger than the sum of its proper divisors (1417657).

137274743 is a wasteful number, since it uses less digits than its factorization.

137274743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457.

The product of its digits is 98784, while the sum is 38.

The square root of 137274743 is about 11716.4304717777. The cubic root of 137274743 is about 515.8580511631.

The spelling of 137274743 in words is "one hundred thirty-seven million, two hundred seventy-four thousand, seven hundred forty-three".