139019158 has 8 divisors (see below), whose sum is σ = 208639152. Its totient is φ = 69472776.

The previous prime is 139019141. The next prime is 139019161. The reversal of 139019158 is 851910931.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13410 + ... + 21397.

It is an arithmetic number, because the mean of its divisors is an integer number (26079894).

Almost surely, 2^139019158 is an apocalyptic number.

139019158 is a deficient number, since it is larger than the sum of its proper divisors (69619994).

139019158 is a wasteful number, since it uses less digits than its factorization.

139019158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36806.

The product of its (nonzero) digits is 9720, while the sum is 37.

The square root of 139019158 is about 11790.6385747338. The cubic root of 139019158 is about 518.0339442980.

The spelling of 139019158 in words is "one hundred thirty-nine million, nineteen thousand, one hundred fifty-eight".