137420383 has 4 divisors (see below), whose sum is σ = 139302928. Its totient is φ = 135537840.

The previous prime is 137420351. The next prime is 137420399. The reversal of 137420383 is 383024731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383024731 = 10601 ⋅36131.

It is a cyclic number.

It is not a de Polignac number, because 137420383 - 2⁵ = 137420351 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 (137420323) 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, 941163 + ... + 941308.

It is an arithmetic number, because the mean of its divisors is an integer number (34825732).

Almost surely, 2^137420383 is an apocalyptic number.

137420383 is a deficient number, since it is larger than the sum of its proper divisors (1882545).

137420383 is an equidigital number, since it uses as much as digits as its factorization.

137420383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882544.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 137420383 is about 11722.6440276927. The cubic root of 137420383 is about 516.0404178324.

The spelling of 137420383 in words is "one hundred thirty-seven million, four hundred twenty thousand, three hundred eighty-three".