100140021342 has 48 divisors (see below), whose sum is σ = 218407410000. Its totient is φ = 33159200256.

The previous prime is 100140021269. The next prime is 100140021413. The reversal of 100140021342 is 243120041001.

100140021342 is a `hidden beast` number, since 10 + 0 + 1 + 400 + 213 + 42 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3876513 + ... + 3902259.

It is an arithmetic number, because the mean of its divisors is an integer number (4550154375).

Almost surely, 2^100140021342 is an apocalyptic number.

100140021342 is an abundant number, since it is smaller than the sum of its proper divisors (118267388658).

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

100140021342 is a wasteful number, since it uses less digits than its factorization.

100140021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27177 (or 27174 counting only the distinct ones).

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

Adding to 100140021342 its reverse (243120041001), we get a palindrome (343260062343).

The spelling of 100140021342 in words is "one hundred billion, one hundred forty million, twenty-one thousand, three hundred forty-two".