137251427 has 2 divisors, whose sum is σ = 137251428. Its totient is φ = 137251426.

The previous prime is 137251409. The next prime is 137251469. The reversal of 137251427 is 724152731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137251427 - 2⁶ = 137251363 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 137251393 and 137251402.

It is not a weakly prime, because it can be changed into another prime (137251487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68625713 + 68625714.

It is an arithmetic number, because the mean of its divisors is an integer number (68625714).

Almost surely, 2^137251427 is an apocalyptic number.

137251427 is a deficient number, since it is larger than the sum of its proper divisors (1).

137251427 is an equidigital number, since it uses as much as digits as its factorization.

137251427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 32.

The square root of 137251427 is about 11715.4354165776. The cubic root of 137251427 is about 515.8288434903.

The spelling of 137251427 in words is "one hundred thirty-seven million, two hundred fifty-one thousand, four hundred twenty-seven".