140147040 has 288 divisors, whose sum is σ = 514805760. Its totient is φ = 31933440.

The previous prime is 140147039. The next prime is 140147057. The reversal of 140147040 is 40741041.

It is a junction number, because it is equal to n+sod(n) for n = 140146998 and 140147016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1103457 + ... + 1103583.

It is an arithmetic number, because the mean of its divisors is an integer number (1787520).

Almost surely, 2^140147040 is an apocalyptic number.

140147040 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 140147040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257402880).

140147040 is an abundant number, since it is smaller than the sum of its proper divisors (374658720).

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

140147040 is a wasteful number, since it uses less digits than its factorization.

140147040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 140147040 is about 11838.3715096292. The cubic root of 140147040 is about 519.4311333254.

Adding to 140147040 its reverse (40741041), we get a palindrome (180888081).

The spelling of 140147040 in words is "one hundred forty million, one hundred forty-seven thousand, forty".