140667400221 has 8 divisors (see below), whose sum is σ = 187558724640. Its totient is φ = 93777171312.

The previous prime is 140667400213. The next prime is 140667400253. The reversal of 140667400221 is 122004766041.

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

It is not a de Polignac number, because 140667400221 - 2³ = 140667400213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140667400271) 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, 97786 + ... + 539348.

It is an arithmetic number, because the mean of its divisors is an integer number (23444840580).

Almost surely, 2^140667400221 is an apocalyptic number.

It is an amenable number.

140667400221 is a deficient number, since it is larger than the sum of its proper divisors (46891324419).

140667400221 is a wasteful number, since it uses less digits than its factorization.

140667400221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547755.

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 140667400221 in words is "one hundred forty billion, six hundred sixty-seven million, four hundred thousand, two hundred twenty-one".