140704144 has 80 divisors (see below), whose sum is σ = 321408000. Its totient is φ = 58430592.

The previous prime is 140704117. The next prime is 140704153. The reversal of 140704144 is 441407041.

It is a super-2 number, since 2×140704144² = 39595312277545472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706957 + ... + 707155.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^140704144 is an apocalyptic number.

140704144 is a gapful number since it is divisible by the number (14) 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 140704144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160704000).

140704144 is an abundant number, since it is smaller than the sum of its proper divisors (180703856).

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

140704144 is a wasteful number, since it uses less digits than its factorization.

140704144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 140704144 is about 11861.8777602874. The cubic root of 140704144 is about 520.1184937065.

The spelling of 140704144 in words is "one hundred forty million, seven hundred four thousand, one hundred forty-four".