705950139 has 8 divisors (see below), whose sum is σ = 941415952. Its totient is φ = 470558880.

The previous prime is 705950131. The next prime is 705950153. The reversal of 705950139 is 931059507.

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

It is not a de Polignac number, because 705950139 - 2³ = 705950131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 705950097 and 705950106.

It is not an unprimeable number, because it can be changed into a prime (705950131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9549 + ... + 38769.

It is an arithmetic number, because the mean of its divisors is an integer number (117676994).

Almost surely, 2^705950139 is an apocalyptic number.

705950139 is a deficient number, since it is larger than the sum of its proper divisors (235465813).

705950139 is a wasteful number, since it uses less digits than its factorization.

705950139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37277.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 705950139 is about 26569.7222228611. The cubic root of 705950139 is about 890.4126937616.

The spelling of 705950139 in words is "seven hundred five million, nine hundred fifty thousand, one hundred thirty-nine".