137158727 has 4 divisors (see below), whose sum is σ = 137186856. Its totient is φ = 137130600.

The previous prime is 137158709. The next prime is 137158789. The reversal of 137158727 is 727851731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727851731 = 8293 ⋅87767.

It is a cyclic number.

It is not a de Polignac number, because 137158727 - 2⁸ = 137158471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137158127) 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 3 ways as a sum of consecutive naturals, for example, 4649 + ... + 17202.

It is an arithmetic number, because the mean of its divisors is an integer number (34296714).

Almost surely, 2^137158727 is an apocalyptic number.

137158727 is a deficient number, since it is larger than the sum of its proper divisors (28129).

137158727 is an equidigital number, since it uses as much as digits as its factorization.

137158727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28128.

The product of its digits is 82320, while the sum is 41.

The square root of 137158727 is about 11711.4784293017. The cubic root of 137158727 is about 515.7126865847.

The spelling of 137158727 in words is "one hundred thirty-seven million, one hundred fifty-eight thousand, seven hundred twenty-seven".