140134312 has 16 divisors (see below), whose sum is σ = 263088000. Its totient is φ = 69977520.

The previous prime is 140134303. The next prime is 140134321. The reversal of 140134312 is 213431041.

It is an interprime number because it is at equal distance from previous prime (140134303) and next prime (140134321).

It is a self number, because there is not a number n which added to its sum of digits gives 140134312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4312 + ... + 17287.

It is an arithmetic number, because the mean of its divisors is an integer number (16443000).

Almost surely, 2^140134312 is an apocalyptic number.

It is an amenable number.

140134312 is a deficient number, since it is larger than the sum of its proper divisors (122953688).

140134312 is a wasteful number, since it uses less digits than its factorization.

140134312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22416 (or 22412 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140134312 is about 11837.8339234845. The cubic root of 140134312 is about 519.4154081280.

Adding to 140134312 its reverse (213431041), we get a palindrome (353565353).

The spelling of 140134312 in words is "one hundred forty million, one hundred thirty-four thousand, three hundred twelve".