140839776 has 384 divisors, whose sum is σ = 537062400. Its totient is φ = 34836480.

The previous prime is 140839763. The next prime is 140839793. The reversal of 140839776 is 677938041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1929276 + ... + 1929348.

It is an arithmetic number, because the mean of its divisors is an integer number (1398600).

Almost surely, 2^140839776 is an apocalyptic number.

140839776 is a gapful number since it is divisible by the number (16) 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 140839776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268531200).

140839776 is an abundant number, since it is smaller than the sum of its proper divisors (396222624).

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

140839776 is a wasteful number, since it uses less digits than its factorization.

140839776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 140839776 is about 11867.5935218561. The cubic root of 140839776 is about 520.2855630727.

The spelling of 140839776 in words is "one hundred forty million, eight hundred thirty-nine thousand, seven hundred seventy-six".