140068764 has 60 divisors (see below), whose sum is σ = 399465528. Its totient is φ = 42444000.

The previous prime is 140068739. The next prime is 140068769. The reversal of 140068764 is 467860041.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140068769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16087 + ... + 23214.

Almost surely, 2^140068764 is an apocalyptic number.

It is an amenable number.

140068764 is an abundant number, since it is smaller than the sum of its proper divisors (259396764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140068764 is a wasteful number, since it uses less digits than its factorization.

140068764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39328 (or 39317 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 140068764 is about 11835.0650188328. The cubic root of 140068764 is about 519.3344097617.

The spelling of 140068764 in words is "one hundred forty million, sixty-eight thousand, seven hundred sixty-four".