140740664 has 16 divisors (see below), whose sum is σ = 268215720. Its totient is φ = 69216480.

The previous prime is 140740643. The next prime is 140740667. The reversal of 140740664 is 466047041.

It is a super-3 number, since 3×140740664³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140740664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140740667) 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, 143714 + ... + 144689.

Almost surely, 2^140740664 is an apocalyptic number.

It is an amenable number.

140740664 is a deficient number, since it is larger than the sum of its proper divisors (127475056).

140740664 is a wasteful number, since it uses less digits than its factorization.

140740664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288470 (or 288466 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 140740664 is about 11863.4170456913. The cubic root of 140740664 is about 520.1634890273.

The spelling of 140740664 in words is "one hundred forty million, seven hundred forty thousand, six hundred sixty-four".