137496427 has 2 divisors, whose sum is σ = 137496428. Its totient is φ = 137496426.

The previous prime is 137496383. The next prime is 137496497. The reversal of 137496427 is 724694731.

It is a weak prime.

It is an emirp because it is prime and its reverse (724694731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137496427 - 2¹⁵ = 137463659 is a prime.

It is not a weakly prime, because it can be changed into another prime (137496497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68748213 + 68748214.

It is an arithmetic number, because the mean of its divisors is an integer number (68748214).

Almost surely, 2^137496427 is an apocalyptic number.

137496427 is a deficient number, since it is larger than the sum of its proper divisors (1).

137496427 is an equidigital number, since it uses as much as digits as its factorization.

137496427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 43.

The square root of 137496427 is about 11725.8870453369. The cubic root of 137496427 is about 516.1355869781.

The spelling of 137496427 in words is "one hundred thirty-seven million, four hundred ninety-six thousand, four hundred twenty-seven".