139299662 has 8 divisors (see below), whose sum is σ = 210902616. Its totient is φ = 68998792.

The previous prime is 139299623. The next prime is 139299689. The reversal of 139299662 is 266992931.

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, 325253 + ... + 325680.

It is an arithmetic number, because the mean of its divisors is an integer number (26362827).

Almost surely, 2^139299662 is an apocalyptic number.

139299662 is a deficient number, since it is larger than the sum of its proper divisors (71602954).

139299662 is a wasteful number, since it uses less digits than its factorization.

139299662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651042.

The product of its digits is 314928, while the sum is 47.

The square root of 139299662 is about 11802.5277800986. The cubic root of 139299662 is about 518.3821288508.

The spelling of 139299662 in words is "one hundred thirty-nine million, two hundred ninety-nine thousand, six hundred sixty-two".