137651743 has 2 divisors, whose sum is σ = 137651744. Its totient is φ = 137651742.

The previous prime is 137651681. The next prime is 137651783. The reversal of 137651743 is 347156731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137651743 - 2⁹ = 137651231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137651783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68825871 + 68825872.

It is an arithmetic number, because the mean of its divisors is an integer number (68825872).

Almost surely, 2^137651743 is an apocalyptic number.

137651743 is a deficient number, since it is larger than the sum of its proper divisors (1).

137651743 is an equidigital number, since it uses as much as digits as its factorization.

137651743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 137651743 is about 11732.5079586591. The cubic root of 137651743 is about 516.3298561458.

The spelling of 137651743 in words is "one hundred thirty-seven million, six hundred fifty-one thousand, seven hundred forty-three".