139448950 has 12 divisors (see below), whose sum is σ = 259375140. Its totient is φ = 55779560.

The previous prime is 139448941. The next prime is 139448963. The reversal of 139448950 is 59844931.

It is a happy number.

It is a super-2 number, since 2×139448950² = 38892019312205000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139448897 and 139448906.

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, 1394440 + ... + 1394539.

It is an arithmetic number, because the mean of its divisors is an integer number (21614595).

Almost surely, 2^139448950 is an apocalyptic number.

139448950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139448950 is a deficient number, since it is larger than the sum of its proper divisors (119926190).

139448950 is a wasteful number, since it uses less digits than its factorization.

139448950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788991 (or 2788986 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 139448950 is about 11808.8504944385. The cubic root of 139448950 is about 518.5672467969.

The spelling of 139448950 in words is "one hundred thirty-nine million, four hundred forty-eight thousand, nine hundred fifty".