140355700 has 18 divisors (see below), whose sum is σ = 304572086. Its totient is φ = 56142240.

The previous prime is 140355673. The next prime is 140355707. The reversal of 140355700 is 7553041.

It can be written as a sum of positive squares in 3 ways, for example, as 33315984 + 107039716 = 5772^2 + 10346^2 .

It is a super-3 number, since 3×140355700³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140355707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701679 + ... + 701878.

Almost surely, 2^140355700 is an apocalyptic number.

140355700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140355700 is an abundant number, since it is smaller than the sum of its proper divisors (164216386).

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

140355700 is a wasteful number, since it uses less digits than its factorization.

140355700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403571 (or 1403564 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 140355700 is about 11847.1810993164. The cubic root of 140355700 is about 519.6887930776.

The spelling of 140355700 in words is "one hundred forty million, three hundred fifty-five thousand, seven hundred".