139418299047 has 16 divisors (see below), whose sum is σ = 195857936000. Its totient is φ = 87971253984.

The previous prime is 139418299039. The next prime is 139418299067. The reversal of 139418299047 is 740992814931.

It is not a de Polignac number, because 139418299047 - 2³ = 139418299039 is a prime.

It is a super-2 number, since 2×139418299047² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139418299067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1083097 + ... + 1204962.

It is an arithmetic number, because the mean of its divisors is an integer number (12241121000).

Almost surely, 2^139418299047 is an apocalyptic number.

139418299047 is a deficient number, since it is larger than the sum of its proper divisors (56439636953).

139418299047 is a wasteful number, since it uses less digits than its factorization.

139418299047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289150.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 139418299047 in words is "one hundred thirty-nine billion, four hundred eighteen million, two hundred ninety-nine thousand, forty-seven".