139850419101631 has 8 divisors (see below), whose sum is σ = 159829218046080. Its totient is φ = 119871662068248.

The previous prime is 139850419101619. The next prime is 139850419101661. The reversal of 139850419101631 is 136101914058931.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 139850419101631 - 2¹³ = 139850419093439 is a prime.

It is a super-2 number, since 2×139850419101631² (a number of 29 digits) contains 22 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 (139850419101661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2968621 + ... + 16985686.

It is an arithmetic number, because the mean of its divisors is an integer number (19978652255760).

Almost surely, 2^{139850419101631} is an apocalyptic number.

139850419101631 is a deficient number, since it is larger than the sum of its proper divisors (19978798944449).

139850419101631 is a wasteful number, since it uses less digits than its factorization.

139850419101631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20955533.

The product of its (nonzero) digits is 699840, while the sum is 52.

The spelling of 139850419101631 in words is "one hundred thirty-nine trillion, eight hundred fifty billion, four hundred nineteen million, one hundred one thousand, six hundred thirty-one".