140012000143021 has 8 divisors (see below), whose sum is σ = 148248332306424. Its totient is φ = 131775704885760.

The previous prime is 140012000142943. The next prime is 140012000143031. The reversal of 140012000143021 is 120341000210041.

It can be written as a sum of positive squares in 4 ways, for example, as 52402961742121 + 87609038400900 = 7238989^2 + 9359970^2 .

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 140012000143021 - 2⁷ = 140012000142893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140012000143021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012000143031) 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, 1217250 + ... + 16778131.

It is an arithmetic number, because the mean of its divisors is an integer number (18531041538303).

Almost surely, 2^{140012000143021} is an apocalyptic number.

It is an amenable number.

140012000143021 is a deficient number, since it is larger than the sum of its proper divisors (8236332163403).

140012000143021 is a wasteful number, since it uses less digits than its factorization.

140012000143021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18453071.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 140012000143021 its reverse (120341000210041), we get a palindrome (260353000353062).

The spelling of 140012000143021 in words is "one hundred forty trillion, twelve billion, one hundred forty-three thousand, twenty-one".