137792849 has 2 divisors, whose sum is σ = 137792850. Its totient is φ = 137792848.

The previous prime is 137792843. The next prime is 137792857. The reversal of 137792849 is 948297731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130690624 + 7102225 = 11432^2 + 2665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137792849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137792797 and 137792806.

It is not a weakly prime, because it can be changed into another prime (137792843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68896424 + 68896425.

It is an arithmetic number, because the mean of its divisors is an integer number (68896425).

Almost surely, 2^137792849 is an apocalyptic number.

It is an amenable number.

137792849 is a deficient number, since it is larger than the sum of its proper divisors (1).

137792849 is an equidigital number, since it uses as much as digits as its factorization.

137792849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 50.

The square root of 137792849 is about 11738.5198811434. The cubic root of 137792849 is about 516.5062248041.

The spelling of 137792849 in words is "one hundred thirty-seven million, seven hundred ninety-two thousand, eight hundred forty-nine".