137052247 has 2 divisors, whose sum is σ = 137052248. Its totient is φ = 137052246.

The previous prime is 137052211. The next prime is 137052259. The reversal of 137052247 is 742250731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137052247 - 2¹⁵ = 137019479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137052287) 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, 68526123 + 68526124.

It is an arithmetic number, because the mean of its divisors is an integer number (68526124).

Almost surely, 2^137052247 is an apocalyptic number.

137052247 is a deficient number, since it is larger than the sum of its proper divisors (1).

137052247 is an equidigital number, since it uses as much as digits as its factorization.

137052247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 137052247 is about 11706.9315791970. The cubic root of 137052247 is about 515.5791981698.

The spelling of 137052247 in words is "one hundred thirty-seven million, fifty-two thousand, two hundred forty-seven".