140012344 has 8 divisors (see below), whose sum is σ = 262523160. Its totient is φ = 70006168.

The previous prime is 140012333. The next prime is 140012347. The reversal of 140012344 is 443210041.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8750764 + ... + 8750779.

It is an arithmetic number, because the mean of its divisors is an integer number (32815395).

Almost surely, 2^140012344 is an apocalyptic number.

It is an amenable number.

140012344 is a deficient number, since it is larger than the sum of its proper divisors (122510816).

140012344 is a wasteful number, since it uses less digits than its factorization.

140012344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17501549 (or 17501545 counting only the distinct ones).

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

The square root of 140012344 is about 11832.6811839076. The cubic root of 140012344 is about 519.2646707240.

Adding to 140012344 its reverse (443210041), we get a palindrome (583222385).

The spelling of 140012344 in words is "one hundred forty million, twelve thousand, three hundred forty-four".