139250943 has 48 divisors (see below), whose sum is σ = 234314080. Its totient is φ = 78941952.

The previous prime is 139250939. The next prime is 139250957. The reversal of 139250943 is 349052931.

It is a happy number.

It is not a de Polignac number, because 139250943 - 2² = 139250939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139250898 and 139250907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139251943) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81405 + ... + 83097.

Almost surely, 2^139250943 is an apocalyptic number.

139250943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

139250943 is a deficient number, since it is larger than the sum of its proper divisors (95063137).

139250943 is a wasteful number, since it uses less digits than its factorization.

139250943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 139250943 is about 11800.4636773306. The cubic root of 139250943 is about 518.3216883984.

The spelling of 139250943 in words is "one hundred thirty-nine million, two hundred fifty thousand, nine hundred forty-three".