137860663 has 2 divisors, whose sum is σ = 137860664. Its totient is φ = 137860662.

The previous prime is 137860621. The next prime is 137860687. The reversal of 137860663 is 366068731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137860663 - 2¹³ = 137852471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137860363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68930331 + 68930332.

It is an arithmetic number, because the mean of its divisors is an integer number (68930332).

Almost surely, 2^137860663 is an apocalyptic number.

137860663 is a deficient number, since it is larger than the sum of its proper divisors (1).

137860663 is an equidigital number, since it uses as much as digits as its factorization.

137860663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 137860663 is about 11741.4080501446. The cubic root of 137860663 is about 516.5909428160.

The spelling of 137860663 in words is "one hundred thirty-seven million, eight hundred sixty thousand, six hundred sixty-three".