140421217002 has 16 divisors (see below), whose sum is σ = 306373564512. Its totient is φ = 42551883920.

The previous prime is 140421216989. The next prime is 140421217003. The reversal of 140421217002 is 200712124041.

It is not an unprimeable number, because it can be changed into a prime (140421217003) 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, 1063797033 + ... + 1063797164.

It is an arithmetic number, because the mean of its divisors is an integer number (19148347782).

Almost surely, 2^140421217002 is an apocalyptic number.

140421217002 is an abundant number, since it is smaller than the sum of its proper divisors (165952347510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140421217002 is a wasteful number, since it uses less digits than its factorization.

140421217002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127594213.

The product of its (nonzero) digits is 896, while the sum is 24.

The spelling of 140421217002 in words is "one hundred forty billion, four hundred twenty-one million, two hundred seventeen thousand, two".