139074213 has 8 divisors (see below), whose sum is σ = 187165728. Its totient is φ = 91849424.

The previous prime is 139074209. The next prime is 139074217. The reversal of 139074213 is 312470931.

It is an interprime number because it is at equal distance from previous prime (139074209) and next prime (139074217).

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

It is a cyclic number.

It is not a de Polignac number, because 139074213 - 2² = 139074209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139074217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216306 + ... + 216947.

It is an arithmetic number, because the mean of its divisors is an integer number (23395716).

Almost surely, 2^139074213 is an apocalyptic number.

It is an amenable number.

139074213 is a deficient number, since it is larger than the sum of its proper divisors (48091515).

139074213 is a wasteful number, since it uses less digits than its factorization.

139074213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433363.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 139074213 is about 11792.9730348204. The cubic root of 139074213 is about 518.1023199931.

The spelling of 139074213 in words is "one hundred thirty-nine million, seventy-four thousand, two hundred thirteen".