139883950 has 12 divisors (see below), whose sum is σ = 260184240. Its totient is φ = 55953560.

The previous prime is 139883941. The next prime is 139883969. The reversal of 139883950 is 59388931.

It is a self number, because there is not a number n which added to its sum of digits gives 139883950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1398790 + ... + 1398889.

It is an arithmetic number, because the mean of its divisors is an integer number (21682020).

Almost surely, 2^139883950 is an apocalyptic number.

139883950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139883950 is a deficient number, since it is larger than the sum of its proper divisors (120300290).

139883950 is a wasteful number, since it uses less digits than its factorization.

139883950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797691 (or 2797686 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 139883950 is about 11827.2545419467. The cubic root of 139883950 is about 519.1058969665.

The spelling of 139883950 in words is "one hundred thirty-nine million, eight hundred eighty-three thousand, nine hundred fifty".