140704128 has 160 divisors (see below), whose sum is σ = 430242120. Its totient is φ = 45619200.

The previous prime is 140704117. The next prime is 140704153. The reversal of 140704128 is 821407041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 424923 + ... + 425253.

Almost surely, 2^140704128 is an apocalyptic number.

140704128 is a gapful number since it is divisible by the number (18) 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 140704128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215121060).

140704128 is an abundant number, since it is smaller than the sum of its proper divisors (289537992).

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

140704128 is an equidigital number, since it uses as much as digits as its factorization.

140704128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 140704128 is about 11861.8770858579. The cubic root of 140704128 is about 520.1184739917.

The spelling of 140704128 in words is "one hundred forty million, seven hundred four thousand, one hundred twenty-eight".