139961126 has 8 divisors (see below), whose sum is σ = 215062344. Its totient is φ = 68273680.

The previous prime is 139961099. The next prime is 139961131. The reversal of 139961126 is 621169931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 139961126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853340 + ... + 853503.

It is an arithmetic number, because the mean of its divisors is an integer number (26882793).

Almost surely, 2^139961126 is an apocalyptic number.

139961126 is a deficient number, since it is larger than the sum of its proper divisors (75101218).

139961126 is a wasteful number, since it uses less digits than its factorization.

139961126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706886.

The product of its digits is 17496, while the sum is 38.

The square root of 139961126 is about 11830.5167258239. The cubic root of 139961126 is about 519.2013454943.

The spelling of 139961126 in words is "one hundred thirty-nine million, nine hundred sixty-one thousand, one hundred twenty-six".