140485680 has 120 divisors (see below), whose sum is σ = 483406560. Its totient is φ = 36541440.

The previous prime is 140485673. The next prime is 140485729. The reversal of 140485680 is 86584041.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27141 + ... + 31899.

It is an arithmetic number, because the mean of its divisors is an integer number (4028388).

Almost surely, 2^140485680 is an apocalyptic number.

140485680 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 140485680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241703280).

140485680 is an abundant number, since it is smaller than the sum of its proper divisors (342920880).

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

140485680 is a wasteful number, since it uses less digits than its factorization.

140485680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819 (or 4810 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 140485680 is about 11852.6655229952. The cubic root of 140485680 is about 519.8491672986.

The spelling of 140485680 in words is "one hundred forty million, four hundred eighty-five thousand, six hundred eighty".