137345783 has 2 divisors, whose sum is σ = 137345784. Its totient is φ = 137345782.

The previous prime is 137345773. The next prime is 137345821. The reversal of 137345783 is 387543731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137345783 - 2²⁰ = 136297207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137345783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137345753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68672891 + 68672892.

It is an arithmetic number, because the mean of its divisors is an integer number (68672892).

Almost surely, 2^137345783 is an apocalyptic number.

137345783 is a deficient number, since it is larger than the sum of its proper divisors (1).

137345783 is an equidigital number, since it uses as much as digits as its factorization.

137345783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 41.

The square root of 137345783 is about 11719.4617197207. The cubic root of 137345783 is about 515.9470217327.

The spelling of 137345783 in words is "one hundred thirty-seven million, three hundred forty-five thousand, seven hundred eighty-three".