137273733 has 12 divisors (see below), whose sum is σ = 205122060. Its totient is φ = 88359936.

The previous prime is 137273701. The next prime is 137273749. The reversal of 137273733 is 337372731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82410084 + 54863649 = 9078^2 + 7407^2 .

It is not a de Polignac number, because 137273733 - 2⁵ = 137273701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137273753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262716 + ... + 263237.

It is an arithmetic number, because the mean of its divisors is an integer number (17093505).

Almost surely, 2^137273733 is an apocalyptic number.

It is an amenable number.

137273733 is a deficient number, since it is larger than the sum of its proper divisors (67848327).

137273733 is a wasteful number, since it uses less digits than its factorization.

137273733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525988 (or 525985 counting only the distinct ones).

The product of its digits is 55566, while the sum is 36.

The square root of 137273733 is about 11716.3873698338. The cubic root of 137273733 is about 515.8567860168.

The spelling of 137273733 in words is "one hundred thirty-seven million, two hundred seventy-three thousand, seven hundred thirty-three".