139814351 has 2 divisors, whose sum is σ = 139814352. Its totient is φ = 139814350.

The previous prime is 139814329. The next prime is 139814393. The reversal of 139814351 is 153418931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139814351 - 2²² = 135620047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139814251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69907175 + 69907176.

It is an arithmetic number, because the mean of its divisors is an integer number (69907176).

Almost surely, 2^139814351 is an apocalyptic number.

139814351 is a deficient number, since it is larger than the sum of its proper divisors (1).

139814351 is an equidigital number, since it uses as much as digits as its factorization.

139814351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 139814351 is about 11824.3118615842. The cubic root of 139814351 is about 519.0197892918.

The spelling of 139814351 in words is "one hundred thirty-nine million, eight hundred fourteen thousand, three hundred fifty-one".