140529380 has 48 divisors (see below), whose sum is σ = 302433264. Its totient is φ = 54835200.

The previous prime is 140529349. The next prime is 140529383. The reversal of 140529380 is 83925041.

140529380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 6340324 + 134189056 = 2518^2 + 11584^2 .

It is not an unprimeable number, because it can be changed into a prime (140529383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146984 + ... + 147936.

It is an arithmetic number, because the mean of its divisors is an integer number (6300693).

Almost surely, 2^140529380 is an apocalyptic number.

140529380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140529380 is an abundant number, since it is smaller than the sum of its proper divisors (161903884).

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

140529380 is a wasteful number, since it uses less digits than its factorization.

140529380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 140529380 is about 11854.5088468481. The cubic root of 140529380 is about 519.9030637847.

It can be divided in two parts, 14052 and 9380, that added together give a palindrome (23432).

The spelling of 140529380 in words is "one hundred forty million, five hundred twenty-nine thousand, three hundred eighty".