140364540 has 72 divisors (see below), whose sum is σ = 433021680. Its totient is φ = 36793344.

The previous prime is 140364527. The next prime is 140364541. The reversal of 140364540 is 45463041.

140364540 is a `hidden beast` number, since 14 + 0 + 3 + 645 + 4 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140364541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4012 + ... + 17228.

It is an arithmetic number, because the mean of its divisors is an integer number (6014190).

Almost surely, 2^140364540 is an apocalyptic number.

140364540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140364540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216510840).

140364540 is an abundant number, since it is smaller than the sum of its proper divisors (292657140).

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

140364540 is a wasteful number, since it uses less digits than its factorization.

140364540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291 (or 13286 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 140364540 is about 11847.5541779728. The cubic root of 140364540 is about 519.6997033398.

The spelling of 140364540 in words is "one hundred forty million, three hundred sixty-four thousand, five hundred forty".