137133743 has 4 divisors (see below), whose sum is σ = 137232480. Its totient is φ = 137035008.

The previous prime is 137133727. The next prime is 137133761. The reversal of 137133743 is 347331731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137133743 - 2⁴ = 137133727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137133343) 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, 47255 + ... + 50072.

It is an arithmetic number, because the mean of its divisors is an integer number (34308120).

Almost surely, 2^137133743 is an apocalyptic number.

137133743 is a deficient number, since it is larger than the sum of its proper divisors (98737).

137133743 is an equidigital number, since it uses as much as digits as its factorization.

137133743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98736.

The product of its digits is 15876, while the sum is 32.

The square root of 137133743 is about 11710.4117348623. The cubic root of 137133743 is about 515.6813716538.

The spelling of 137133743 in words is "one hundred thirty-seven million, one hundred thirty-three thousand, seven hundred forty-three".