137072743 has 2 divisors, whose sum is σ = 137072744. Its totient is φ = 137072742.

The previous prime is 137072713. The next prime is 137072791. The reversal of 137072743 is 347270731.

It is a weak prime.

It is an emirp because it is prime and its reverse (347270731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137072743 - 2⁵ = 137072711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137072699 and 137072708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137072713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68536371 + 68536372.

It is an arithmetic number, because the mean of its divisors is an integer number (68536372).

Almost surely, 2^137072743 is an apocalyptic number.

137072743 is a deficient number, since it is larger than the sum of its proper divisors (1).

137072743 is an equidigital number, since it uses as much as digits as its factorization.

137072743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 137072743 is about 11707.8069252956. The cubic root of 137072743 is about 515.6048983066.

The spelling of 137072743 in words is "one hundred thirty-seven million, seventy-two thousand, seven hundred forty-three".