139793270 has 8 divisors (see below), whose sum is σ = 251627904. Its totient is φ = 55917304.

The previous prime is 139793239. The next prime is 139793281. The reversal of 139793270 is 72397931.

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

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, 6989654 + ... + 6989673.

It is an arithmetic number, because the mean of its divisors is an integer number (31453488).

Almost surely, 2^139793270 is an apocalyptic number.

139793270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139793270 is a deficient number, since it is larger than the sum of its proper divisors (111834634).

139793270 is a wasteful number, since it uses less digits than its factorization.

139793270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13979334.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 139793270 is about 11823.4204018972. The cubic root of 139793270 is about 518.9937023032.

The spelling of 139793270 in words is "one hundred thirty-nine million, seven hundred ninety-three thousand, two hundred seventy".