140545700 has 36 divisors (see below), whose sum is σ = 305852820. Its totient is φ = 56058240.

The previous prime is 140545673. The next prime is 140545703. The reversal of 140545700 is 7545041.

It can be written as a sum of positive squares in 6 ways, for example, as 53085796 + 87459904 = 7286^2 + 9352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140545700.

It is not an unprimeable number, because it can be changed into a prime (140545703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37094 + ... + 40706.

Almost surely, 2^140545700 is an apocalyptic number.

140545700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140545700 is an abundant number, since it is smaller than the sum of its proper divisors (165307120).

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

140545700 is a wasteful number, since it uses less digits than its factorization.

140545700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 140545700 is about 11855.1971725484. The cubic root of 140545700 is about 519.9231888517.

The spelling of 140545700 in words is "one hundred forty million, five hundred forty-five thousand, seven hundred".