137446999 has 2 divisors, whose sum is σ = 137447000. Its totient is φ = 137446998.

The previous prime is 137446937. The next prime is 137447017. The reversal of 137446999 is 999644731.

It is a strong prime.

It is an emirp because it is prime and its reverse (999644731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137446999 - 2⁷ = 137446871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137446909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68723499 + 68723500.

It is an arithmetic number, because the mean of its divisors is an integer number (68723500).

Almost surely, 2^137446999 is an apocalyptic number.

137446999 is a deficient number, since it is larger than the sum of its proper divisors (1).

137446999 is an equidigital number, since it uses as much as digits as its factorization.

137446999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The square root of 137446999 is about 11723.7792115000. The cubic root of 137446999 is about 516.0737317771.

The spelling of 137446999 in words is "one hundred thirty-seven million, four hundred forty-six thousand, nine hundred ninety-nine".