139371853 has 8 divisors (see below), whose sum is σ = 140412096. Its totient is φ = 138336000.

The previous prime is 139371847. The next prime is 139371863. The reversal of 139371853 is 358173931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139371853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139371863) 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 7 ways as a sum of consecutive naturals, for example, 86253 + ... + 87853.

It is an arithmetic number, because the mean of its divisors is an integer number (17551512).

Almost surely, 2^139371853 is an apocalyptic number.

It is an amenable number.

139371853 is a deficient number, since it is larger than the sum of its proper divisors (1040243).

139371853 is a wasteful number, since it uses less digits than its factorization.

139371853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195.

The product of its digits is 68040, while the sum is 40.

The square root of 139371853 is about 11805.5856695041. The cubic root of 139371853 is about 518.4716625964.

The spelling of 139371853 in words is "one hundred thirty-nine million, three hundred seventy-one thousand, eight hundred fifty-three".