140515764 has 12 divisors (see below), whose sum is σ = 327870144. Its totient is φ = 46838584.

The previous prime is 140515723. The next prime is 140515769. The reversal of 140515764 is 467515041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140515769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5854812 + ... + 5854835.

It is an arithmetic number, because the mean of its divisors is an integer number (27322512).

Almost surely, 2^140515764 is an apocalyptic number.

It is an amenable number.

140515764 is an abundant number, since it is smaller than the sum of its proper divisors (187354380).

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

140515764 is a wasteful number, since it uses less digits than its factorization.

140515764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11709654 (or 11709652 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 140515764 is about 11853.9345366844. The cubic root of 140515764 is about 519.8862719728.

The spelling of 140515764 in words is "one hundred forty million, five hundred fifteen thousand, seven hundred sixty-four".