140464128 has 208 divisors, whose sum is σ = 452929536. Its totient is φ = 37847040.

The previous prime is 140464127. The next prime is 140464141. The reversal of 140464128 is 821464041.

It is a junction number, because it is equal to n+sod(n) for n = 140464095 and 140464104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140464127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1978333 + ... + 1978403.

Almost surely, 2^140464128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140464128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226464768).

140464128 is an abundant number, since it is smaller than the sum of its proper divisors (312465408).

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

140464128 is an equidigital number, since it uses as much as digits as its factorization.

140464128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 140464128 is about 11851.7563255410. The cubic root of 140464128 is about 519.8225824723.

The spelling of 140464128 in words is "one hundred forty million, four hundred sixty-four thousand, one hundred twenty-eight".