140113142 has 16 divisors (see below), whose sum is σ = 227022432. Its totient is φ = 64471680.

The previous prime is 140113139. The next prime is 140113151. The reversal of 140113142 is 241311041.

It is a happy number.

It is a super-2 number, since 2×140113142² = 39263385122224328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140113142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767 + ... + 16757.

It is an arithmetic number, because the mean of its divisors is an integer number (14188902).

Almost surely, 2^140113142 is an apocalyptic number.

140113142 is a deficient number, since it is larger than the sum of its proper divisors (86909290).

140113142 is a wasteful number, since it uses less digits than its factorization.

140113142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16343.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 140113142 is about 11836.9397227493. The cubic root of 140113142 is about 519.3892508940.

Adding to 140113142 its reverse (241311041), we get a palindrome (381424183).

The spelling of 140113142 in words is "one hundred forty million, one hundred thirteen thousand, one hundred forty-two".