140876640 has 216 divisors, whose sum is σ = 509247648. Its totient is φ = 35458560.

The previous prime is 140876611. The next prime is 140876651. The reversal of 140876640 is 46678041.

140876640 is a `hidden beast` number, since 1 + 4 + 0 + 8 + 7 + 6 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 140876595 and 140876604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 519705 + ... + 519975.

It is an arithmetic number, because the mean of its divisors is an integer number (2357628).

Almost surely, 2^140876640 is an apocalyptic number.

140876640 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 140876640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254623824).

140876640 is an abundant number, since it is smaller than the sum of its proper divisors (368371008).

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

140876640 is a wasteful number, since it uses less digits than its factorization.

140876640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 140876640 is about 11869.1465573562. The cubic root of 140876640 is about 520.3309530290.

The spelling of 140876640 in words is "one hundred forty million, eight hundred seventy-six thousand, six hundred forty".