140321700 has 72 divisors (see below), whose sum is σ = 451116960. Its totient is φ = 37418400.

The previous prime is 140321693. The next prime is 140321711. The reversal of 140321700 is 7123041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23286 + ... + 28685.

Almost surely, 2^140321700 is an apocalyptic number.

140321700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140321700 is an abundant number, since it is smaller than the sum of its proper divisors (310795260).

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

140321700 is a wasteful number, since it uses less digits than its factorization.

140321700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51994 (or 51981 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 140321700 is about 11845.7460719028. The cubic root of 140321700 is about 519.6468262606.

Adding to 140321700 its reverse (7123041), we get a palindrome (147444741).

The spelling of 140321700 in words is "one hundred forty million, three hundred twenty-one thousand, seven hundred".