140005244001 has 16 divisors (see below), whose sum is σ = 218302751744. Its totient is φ = 78142461264.

The previous prime is 140005243997. The next prime is 140005244021. The reversal of 140005244001 is 100442500041.

It is a happy number.

It is not a de Polignac number, because 140005244001 - 2² = 140005243997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (140005244021) 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, 77521381 + ... + 77523186.

It is an arithmetic number, because the mean of its divisors is an integer number (13643921984).

Almost surely, 2^140005244001 is an apocalyptic number.

It is an amenable number.

140005244001 is a deficient number, since it is larger than the sum of its proper divisors (78297507743).

140005244001 is a wasteful number, since it uses less digits than its factorization.

140005244001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155044620.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 140005244001 its reverse (100442500041), we get a palindrome (240447744042).

The spelling of 140005244001 in words is "one hundred forty billion, five million, two hundred forty-four thousand, one".