137273453 has 16 divisors (see below), whose sum is σ = 155385216. Its totient is φ = 120552960.

The previous prime is 137273449. The next prime is 137273467. The reversal of 137273453 is 354372731.

It is a cyclic number.

It is not a de Polignac number, because 137273453 - 2² = 137273449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137273413) 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, 11750 + ... + 20312.

It is an arithmetic number, because the mean of its divisors is an integer number (9711576).

Almost surely, 2^137273453 is an apocalyptic number.

It is an amenable number.

137273453 is a deficient number, since it is larger than the sum of its proper divisors (18111763).

137273453 is a wasteful number, since it uses less digits than its factorization.

137273453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8644.

The product of its digits is 52920, while the sum is 35.

The square root of 137273453 is about 11716.3754207519. The cubic root of 137273453 is about 515.8564352821.

The spelling of 137273453 in words is "one hundred thirty-seven million, two hundred seventy-three thousand, four hundred fifty-three".