140353400 has 96 divisors (see below), whose sum is σ = 359441280. Its totient is φ = 50544000.

The previous prime is 140353393. The next prime is 140353453. The reversal of 140353400 is 4353041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 287957 + ... + 288443.

It is an arithmetic number, because the mean of its divisors is an integer number (3744180).

Almost surely, 2^140353400 is an apocalyptic number.

140353400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140353400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179720640).

140353400 is an abundant number, since it is smaller than the sum of its proper divisors (219087880).

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

140353400 is a wasteful number, since it uses less digits than its factorization.

140353400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 140353400 is about 11847.0840294142. The cubic root of 140353400 is about 519.6859543596.

The spelling of 140353400 in words is "one hundred forty million, three hundred fifty-three thousand, four hundred".