140513040 has 60 divisors (see below), whose sum is σ = 471892044. Its totient is φ = 37469952.

The previous prime is 140513039. The next prime is 140513057. The reversal of 140513040 is 40315041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 105513984 + 34999056 = 10272^2 + 5916^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96859 + ... + 98298.

Almost surely, 2^140513040 is an apocalyptic number.

140513040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140513040 is an abundant number, since it is smaller than the sum of its proper divisors (331379004).

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

140513040 is a wasteful number, since it uses less digits than its factorization.

140513040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195176 (or 195167 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 140513040 is about 11853.8196375683. The cubic root of 140513040 is about 519.8829124936.

Adding to 140513040 its reverse (40315041), we get a palindrome (180828081).

The spelling of 140513040 in words is "one hundred forty million, five hundred thirteen thousand, forty".