140002002 has 72 divisors (see below), whose sum is σ = 354908736. Its totient is φ = 39071664.

The previous prime is 140001997. The next prime is 140002019. The reversal of 140002002 is 200200041.

140002002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

140002002 is a modest number, since divided by 2002 gives 140 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 278083 + ... + 278585.

It is an arithmetic number, because the mean of its divisors is an integer number (4929288).

Almost surely, 2^140002002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140002002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177454368).

140002002 is an abundant number, since it is smaller than the sum of its proper divisors (214906734).

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

140002002 is a wasteful number, since it uses less digits than its factorization.

140002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 140002002 is about 11832.2441658377. The cubic root of 140002002 is about 519.2518852622.

Adding to 140002002 its reverse (200200041), we get a palindrome (340202043).

The spelling of 140002002 in words is "one hundred forty million, two thousand, two".