137846743 has 4 divisors (see below), whose sum is σ = 138044088. Its totient is φ = 137649400.

The previous prime is 137846711. The next prime is 137846747. The reversal of 137846743 is 347648731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347648731 = 71 ⋅4896461.

It is a cyclic number.

It is not a de Polignac number, because 137846743 - 2⁵ = 137846711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137846743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137846747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97621 + ... + 99022.

It is an arithmetic number, because the mean of its divisors is an integer number (34511022).

Almost surely, 2^137846743 is an apocalyptic number.

137846743 is a deficient number, since it is larger than the sum of its proper divisors (197345).

137846743 is an equidigital number, since it uses as much as digits as its factorization.

137846743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197344.

The product of its digits is 338688, while the sum is 43.

The square root of 137846743 is about 11740.8152613011. The cubic root of 137846743 is about 516.5735552408.

The spelling of 137846743 in words is "one hundred thirty-seven million, eight hundred forty-six thousand, seven hundred forty-three".