137895047 has 2 divisors, whose sum is σ = 137895048. Its totient is φ = 137895046.

The previous prime is 137895011. The next prime is 137895067. The reversal of 137895047 is 740598731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137895047 - 2⁸ = 137894791 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 137894989 and 137895007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137895067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68947523 + 68947524.

It is an arithmetic number, because the mean of its divisors is an integer number (68947524).

Almost surely, 2^137895047 is an apocalyptic number.

137895047 is a deficient number, since it is larger than the sum of its proper divisors (1).

137895047 is an equidigital number, since it uses as much as digits as its factorization.

137895047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 137895047 is about 11742.8721784749. The cubic root of 137895047 is about 516.6338871099.

The spelling of 137895047 in words is "one hundred thirty-seven million, eight hundred ninety-five thousand, forty-seven".