140100142 has 16 divisors (see below), whose sum is σ = 258646752. Its totient is φ = 55424160.

The previous prime is 140100133. The next prime is 140100143. The reversal of 140100142 is 241001041.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140100143) 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, 384709 + ... + 385072.

It is an arithmetic number, because the mean of its divisors is an integer number (16165422).

Almost surely, 2^140100142 is an apocalyptic number.

140100142 is a deficient number, since it is larger than the sum of its proper divisors (118546610).

140100142 is a wasteful number, since it uses less digits than its factorization.

140100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769803.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 140100142 is about 11836.3905815920. The cubic root of 140100142 is about 519.3731870450.

Adding to 140100142 its reverse (241001041), we get a palindrome (381101183).

The spelling of 140100142 in words is "one hundred forty million, one hundred thousand, one hundred forty-two".