140511368 has 8 divisors (see below), whose sum is σ = 263458830. Its totient is φ = 70255680.

The previous prime is 140511367. The next prime is 140511377. The reversal of 140511368 is 863115041.

It can be written as a sum of positive squares in only one way, i.e., 86899684 + 53611684 = 9322^2 + 7322^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 140511368.

It is not an unprimeable number, because it can be changed into a prime (140511367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8781953 + ... + 8781968.

Almost surely, 2^140511368 is an apocalyptic number.

It is an amenable number.

140511368 is a deficient number, since it is larger than the sum of its proper divisors (122947462).

140511368 is a wasteful number, since it uses less digits than its factorization.

140511368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17563927 (or 17563923 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 140511368 is about 11853.7491115680. The cubic root of 140511368 is about 519.8808504129.

The spelling of 140511368 in words is "one hundred forty million, five hundred eleven thousand, three hundred sixty-eight".