140700540 has 24 divisors (see below), whose sum is σ = 393961680. Its totient is φ = 37520128.

The previous prime is 140700509. The next prime is 140700541. The reversal of 140700540 is 45007041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140700541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172445 + ... + 1172564.

It is an arithmetic number, because the mean of its divisors is an integer number (16415070).

Almost surely, 2^140700540 is an apocalyptic number.

140700540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140700540 is an abundant number, since it is smaller than the sum of its proper divisors (253261140).

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

140700540 is a wasteful number, since it uses less digits than its factorization.

140700540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345021 (or 2345019 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 140700540 is about 11861.7258440751. The cubic root of 140700540 is about 520.1140528919.

Adding to 140700540 its reverse (45007041), we get a palindrome (185707581).

The spelling of 140700540 in words is "one hundred forty million, seven hundred thousand, five hundred forty".