137920343 has 8 divisors (see below), whose sum is σ = 150698880. Its totient is φ = 125181880.

The previous prime is 137920313. The next prime is 137920357. The reversal of 137920343 is 343029731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137920343 - 2¹⁴ = 137903959 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 (137920313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2573 + ... + 16806.

It is an arithmetic number, because the mean of its divisors is an integer number (18837360).

Almost surely, 2^137920343 is an apocalyptic number.

137920343 is a deficient number, since it is larger than the sum of its proper divisors (12778537).

137920343 is a wasteful number, since it uses less digits than its factorization.

137920343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20037.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 137920343 is about 11743.9492079964. The cubic root of 137920343 is about 516.6654762835.

The spelling of 137920343 in words is "one hundred thirty-seven million, nine hundred twenty thousand, three hundred forty-three".