140944384 has 99 divisors (see below), whose sum is σ = 334051977. Its totient is φ = 59265024.

The previous prime is 140944373. The next prime is 140944387. The reversal of 140944384 is 483449041.

It is a happy number.

The square root of 140944384 is 11872.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 101606400 + 39337984 = 10080^2 + 6272^2 .

It is a super-2 number, since 2×140944384² = 39730638762278912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140944387) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2659302 + ... + 2659354.

Almost surely, 2^140944384 is an apocalyptic number.

140944384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140944384 is the 11872-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140944384

140944384 is an abundant number, since it is smaller than the sum of its proper divisors (193107593).

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

140944384 is an frugal number, since it uses more digits than its factorization.

140944384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The cubic root of 140944384 is about 520.4143443124.

The spelling of 140944384 in words is "one hundred forty million, nine hundred forty-four thousand, three hundred eighty-four".