140340412 has 6 divisors (see below), whose sum is σ = 245595728. Its totient is φ = 70170204.

The previous prime is 140340407. The next prime is 140340427. The reversal of 140340412 is 214043041.

It is a self number, because there is not a number n which added to its sum of digits gives 140340412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17542548 + ... + 17542555.

Almost surely, 2^140340412 is an apocalyptic number.

It is an amenable number.

140340412 is a deficient number, since it is larger than the sum of its proper divisors (105255316).

140340412 is a wasteful number, since it uses less digits than its factorization.

140340412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35085107 (or 35085105 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140340412 is about 11846.5358649691. The cubic root of 140340412 is about 519.6699236604.

Adding to 140340412 its reverse (214043041), we get a palindrome (354383453).

The spelling of 140340412 in words is "one hundred forty million, three hundred forty thousand, four hundred twelve".