137606699 has 2 divisors, whose sum is σ = 137606700. Its totient is φ = 137606698.

The previous prime is 137606669. The next prime is 137606717. The reversal of 137606699 is 996606731.

It is a happy number.

137606699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137606699 - 2¹² = 137602603 is a prime.

It is not a weakly prime, because it can be changed into another prime (137606629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68803349 + 68803350.

It is an arithmetic number, because the mean of its divisors is an integer number (68803350).

Almost surely, 2^137606699 is an apocalyptic number.

137606699 is a deficient number, since it is larger than the sum of its proper divisors (1).

137606699 is an equidigital number, since it uses as much as digits as its factorization.

137606699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 137606699 is about 11730.5881779219. The cubic root of 137606699 is about 516.2735301866.

The spelling of 137606699 in words is "one hundred thirty-seven million, six hundred six thousand, six hundred ninety-nine".