139072383 has 10 divisors (see below), whose sum is σ = 207750224. Its totient is φ = 92714868.

The previous prime is 139072361. The next prime is 139072397. The reversal of 139072383 is 383270931.

It is a happy number.

139072383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139072383 - 2⁹ = 139071871 is a prime.

It is a super-2 number, since 2×139072383² = 38682255426597378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139072303) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 858391 + ... + 858552.

Almost surely, 2^139072383 is an apocalyptic number.

139072383 is a deficient number, since it is larger than the sum of its proper divisors (68677841).

139072383 is an equidigital number, since it uses as much as digits as its factorization.

139072383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716955 (or 1716946 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 139072383 is about 11792.8954459878. The cubic root of 139072383 is about 518.1000475100.

It can be divided in two parts, 13907 and 2383, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 139072383 in words is "one hundred thirty-nine million, seventy-two thousand, three hundred eighty-three".