139144189901 has 8 divisors (see below), whose sum is σ = 145294871040. Its totient is φ = 133001919952.

The previous prime is 139144189883. The next prime is 139144189903. The reversal of 139144189901 is 109981441931.

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 139144189901 - 2¹⁸ = 139143927757 is a prime.

It is a super-2 number, since 2×139144189901² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139144189901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139144189903) 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, 2068970 + ... + 2135163.

It is an arithmetic number, because the mean of its divisors is an integer number (18161858880).

Almost surely, 2^139144189901 is an apocalyptic number.

It is an amenable number.

139144189901 is a deficient number, since it is larger than the sum of its proper divisors (6150681139).

139144189901 is a wasteful number, since it uses less digits than its factorization.

139144189901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205595.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 139144189901 in words is "one hundred thirty-nine billion, one hundred forty-four million, one hundred eighty-nine thousand, nine hundred one".