139733683 has 4 divisors (see below), whose sum is σ = 139776768. Its totient is φ = 139690600.

The previous prime is 139733681. The next prime is 139733707. The reversal of 139733683 is 386337931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386337931 = 7 ⋅55191133.

It is a cyclic number.

It is not a de Polignac number, because 139733683 - 2¹ = 139733681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139733681) 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, 16243 + ... + 23308.

It is an arithmetic number, because the mean of its divisors is an integer number (34944192).

Almost surely, 2^139733683 is an apocalyptic number.

139733683 is a deficient number, since it is larger than the sum of its proper divisors (43085).

139733683 is an equidigital number, since it uses as much as digits as its factorization.

139733683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43084.

The product of its digits is 244944, while the sum is 43.

The square root of 139733683 is about 11820.9002618244. The cubic root of 139733683 is about 518.9199513213.

The spelling of 139733683 in words is "one hundred thirty-nine million, seven hundred thirty-three thousand, six hundred eighty-three".