139810214 has 8 divisors (see below), whose sum is σ = 210386280. Its totient is φ = 69681456.

The previous prime is 139810213. The next prime is 139810219. The reversal of 139810214 is 412018931.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139810213) by changing a digit.

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, 111044 + ... + 112295.

It is an arithmetic number, because the mean of its divisors is an integer number (26298285).

Almost surely, 2^139810214 is an apocalyptic number.

139810214 is a deficient number, since it is larger than the sum of its proper divisors (70576066).

139810214 is a wasteful number, since it uses less digits than its factorization.

139810214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223654.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 139810214 is about 11824.1369241057. The cubic root of 139810214 is about 519.0146701080.

The spelling of 139810214 in words is "one hundred thirty-nine million, eight hundred ten thousand, two hundred fourteen".