139933265471 has 16 divisors (see below), whose sum is σ = 147676045440. Its totient is φ = 132228663840.

The previous prime is 139933265453. The next prime is 139933265491. The reversal of 139933265471 is 174562339931.

It is not a de Polignac number, because 139933265471 - 2¹⁰ = 139933264447 is a prime.

It is a super-3 number, since 3×139933265471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139933265411) 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, 15859241 + ... + 15868061.

It is an arithmetic number, because the mean of its divisors is an integer number (9229752840).

Almost surely, 2^139933265471 is an apocalyptic number.

139933265471 is a deficient number, since it is larger than the sum of its proper divisors (7742779969).

139933265471 is a wasteful number, since it uses less digits than its factorization.

139933265471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10886.

The product of its digits is 3674160, while the sum is 53.

The spelling of 139933265471 in words is "one hundred thirty-nine billion, nine hundred thirty-three million, two hundred sixty-five thousand, four hundred seventy-one".