140405242141002 has 32 divisors (see below), whose sum is σ = 281672079333120. Its totient is φ = 46658311856640.

The previous prime is 140405242140979. The next prime is 140405242141037. The reversal of 140405242141002 is 200141242504041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17023602 + ... + 23887517.

It is an arithmetic number, because the mean of its divisors is an integer number (8802252479160).

Almost surely, 2^{140405242141002} is an apocalyptic number.

140405242141002 is an abundant number, since it is smaller than the sum of its proper divisors (141266837192118).

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

140405242141002 is a wasteful number, since it uses less digits than its factorization.

140405242141002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40912878.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 140405242141002 its reverse (200141242504041), we get a palindrome (340546484645043).

The spelling of 140405242141002 in words is "one hundred forty trillion, four hundred five billion, two hundred forty-two million, one hundred forty-one thousand, two".