140877648 has 120 divisors (see below), whose sum is σ = 409986408. Its totient is φ = 45121536.

The previous prime is 140877641. The next prime is 140877673. The reversal of 140877648 is 846778041.

It can be written as a sum of positive squares in 4 ways, for example, as 35856144 + 105021504 = 5988^2 + 10248^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140877641) 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 23 ways as a sum of consecutive naturals, for example, 729840 + ... + 730032.

Almost surely, 2^140877648 is an apocalyptic number.

140877648 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 140877648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204993204).

140877648 is an abundant number, since it is smaller than the sum of its proper divisors (269108760).

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

140877648 is a wasteful number, since it uses less digits than its factorization.

140877648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 140877648 is about 11869.1890203164. The cubic root of 140877648 is about 520.3321940494.

The spelling of 140877648 in words is "one hundred forty million, eight hundred seventy-seven thousand, six hundred forty-eight".