139548950 has 12 divisors (see below), whose sum is σ = 259561140. Its totient is φ = 55819560.

The previous prime is 139548923. The next prime is 139548961. The reversal of 139548950 is 59845931.

It is a happy number.

It is a super-2 number, since 2×139548950² = 38947818892205000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1395440 + ... + 1395539.

It is an arithmetic number, because the mean of its divisors is an integer number (21630095).

Almost surely, 2^139548950 is an apocalyptic number.

139548950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139548950 is a deficient number, since it is larger than the sum of its proper divisors (120012190).

139548950 is a wasteful number, since it uses less digits than its factorization.

139548950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790991 (or 2790986 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 139548950 is about 11813.0838480051. The cubic root of 139548950 is about 518.6911734715.

The spelling of 139548950 in words is "one hundred thirty-nine million, five hundred forty-eight thousand, nine hundred fifty".