139049471814 has 32 divisors (see below), whose sum is σ = 303394546944. Its totient is φ = 42134275680.

The previous prime is 139049471797. The next prime is 139049471851. The reversal of 139049471814 is 418174940931.

It is a super-2 number, since 2×139049471814² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2179087 + ... + 2241989.

It is an arithmetic number, because the mean of its divisors is an integer number (9481079592).

Almost surely, 2^139049471814 is an apocalyptic number.

139049471814 is an abundant number, since it is smaller than the sum of its proper divisors (164345075130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139049471814 is a wasteful number, since it uses less digits than its factorization.

139049471814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96412.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 139049471814 in words is "one hundred thirty-nine billion, forty-nine million, four hundred seventy-one thousand, eight hundred fourteen".