137992963 has 2 divisors, whose sum is σ = 137992964. Its totient is φ = 137992962.

The previous prime is 137992957. The next prime is 137992979. The reversal of 137992963 is 369299731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137992963 - 2²¹ = 135895811 is a prime.

It is not a weakly prime, because it can be changed into another prime (137992903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68996481 + 68996482.

It is an arithmetic number, because the mean of its divisors is an integer number (68996482).

Almost surely, 2^137992963 is an apocalyptic number.

137992963 is a deficient number, since it is larger than the sum of its proper divisors (1).

137992963 is an equidigital number, since it uses as much as digits as its factorization.

137992963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 49.

The square root of 137992963 is about 11747.0406060420. The cubic root of 137992963 is about 516.7561413316.

The spelling of 137992963 in words is "one hundred thirty-seven million, nine hundred ninety-two thousand, nine hundred sixty-three".