137428699 has 2 divisors, whose sum is σ = 137428700. Its totient is φ = 137428698.

The previous prime is 137428667. The next prime is 137428717. The reversal of 137428699 is 996824731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137428699 - 2⁵ = 137428667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137428609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68714349 + 68714350.

It is an arithmetic number, because the mean of its divisors is an integer number (68714350).

Almost surely, 2^137428699 is an apocalyptic number.

137428699 is a deficient number, since it is larger than the sum of its proper divisors (1).

137428699 is an equidigital number, since it uses as much as digits as its factorization.

137428699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 137428699 is about 11722.9987204640. The cubic root of 137428699 is about 516.0508270246.

The spelling of 137428699 in words is "one hundred thirty-seven million, four hundred twenty-eight thousand, six hundred ninety-nine".