140031552 has 28 divisors (see below), whose sum is σ = 370500656. Its totient is φ = 46677120.

The previous prime is 140031547. The next prime is 140031559. The reversal of 140031552 is 255130041.

It is not an unprimeable number, because it can be changed into a prime (140031559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364474 + ... + 364857.

Almost surely, 2^140031552 is an apocalyptic number.

140031552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140031552 is an abundant number, since it is smaller than the sum of its proper divisors (230469104).

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

140031552 is an equidigital number, since it uses as much as digits as its factorization.

140031552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729346 (or 729336 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 140031552 is about 11833.4928064372. The cubic root of 140031552 is about 519.2884152488.

Adding to 140031552 its reverse (255130041), we get a palindrome (395161593).

The spelling of 140031552 in words is "one hundred forty million, thirty-one thousand, five hundred fifty-two".