140707040 has 48 divisors (see below), whose sum is σ = 333205488. Its totient is φ = 56150016.

The previous prime is 140707037. The next prime is 140707057. The reversal of 140707040 is 40707041.

It is a super-2 number, since 2×140707040² = 39596942211123200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140706997 and 140707015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94139 + ... + 95621.

It is an arithmetic number, because the mean of its divisors is an integer number (6941781).

Almost surely, 2^140707040 is an apocalyptic number.

140707040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140707040 is an abundant number, since it is smaller than the sum of its proper divisors (192498448).

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

140707040 is a wasteful number, since it uses less digits than its factorization.

140707040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091 (or 2083 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 140707040 is about 11861.9998313944. Note that the first 3 decimals coincide. The cubic root of 140707040 is about 520.1220620753.

Subtracting from 140707040 its reverse (40707041), we obtain a palindrome (99999999).

The spelling of 140707040 in words is "one hundred forty million, seven hundred seven thousand, forty".