137744147 has 2 divisors, whose sum is σ = 137744148. Its totient is φ = 137744146.

The previous prime is 137744137. The next prime is 137744197. The reversal of 137744147 is 741447731.

137744147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137744147 - 2⁶ = 137744083 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137744147.

It is not a weakly prime, because it can be changed into another prime (137744137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68872073 + 68872074.

It is an arithmetic number, because the mean of its divisors is an integer number (68872074).

Almost surely, 2^137744147 is an apocalyptic number.

137744147 is a deficient number, since it is larger than the sum of its proper divisors (1).

137744147 is an equidigital number, since it uses as much as digits as its factorization.

137744147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 38.

The square root of 137744147 is about 11736.4452454736. The cubic root of 137744147 is about 516.4453656943.

The spelling of 137744147 in words is "one hundred thirty-seven million, seven hundred forty-four thousand, one hundred forty-seven".