137142793 has 2 divisors, whose sum is σ = 137142794. Its totient is φ = 137142792.

The previous prime is 137142787. The next prime is 137142829. The reversal of 137142793 is 397241731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131056704 + 6086089 = 11448^2 + 2467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137142793 is a prime.

It is not a weakly prime, because it can be changed into another prime (137142713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68571396 + 68571397.

It is an arithmetic number, because the mean of its divisors is an integer number (68571397).

Almost surely, 2^137142793 is an apocalyptic number.

It is an amenable number.

137142793 is a deficient number, since it is larger than the sum of its proper divisors (1).

137142793 is an equidigital number, since it uses as much as digits as its factorization.

137142793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 137142793 is about 11710.7981367625. The cubic root of 137142793 is about 515.6927153578.

The spelling of 137142793 in words is "one hundred thirty-seven million, one hundred forty-two thousand, seven hundred ninety-three".