139948606 has 48 divisors (see below), whose sum is σ = 263723040. Its totient is φ = 55366080.

The previous prime is 139948591. The next prime is 139948609. The reversal of 139948606 is 606849931.

It is a super-2 number, since 2×139948606² = 39171224642686472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139948609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64296 + ... + 66436.

It is an arithmetic number, because the mean of its divisors is an integer number (5494230).

Almost surely, 2^139948606 is an apocalyptic number.

139948606 is a deficient number, since it is larger than the sum of its proper divisors (123774434).

139948606 is a wasteful number, since it uses less digits than its factorization.

139948606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 139948606 is about 11829.9875739580. The cubic root of 139948606 is about 519.1858635890.

It can be divided in two parts, 1399 and 48606, that added together give a palindrome (50005).

The spelling of 139948606 in words is "one hundred thirty-nine million, nine hundred forty-eight thousand, six hundred six".