140123041002 has 72 divisors (see below), whose sum is σ = 353368862496. Its totient is φ = 40012300944.

The previous prime is 140123040989. The next prime is 140123041057. The reversal of 140123041002 is 200140321041.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1531683 + ... + 1620585.

It is an arithmetic number, because the mean of its divisors is an integer number (4907900868).

Almost surely, 2^140123041002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140123041002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176684431248).

140123041002 is an abundant number, since it is smaller than the sum of its proper divisors (213245821494).

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

140123041002 is a wasteful number, since it uses less digits than its factorization.

140123041002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90712 (or 90702 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 140123041002 its reverse (200140321041), we get a palindrome (340263362043).

The spelling of 140123041002 in words is "one hundred forty billion, one hundred twenty-three million, forty-one thousand, two".