140245120 has 32 divisors (see below), whose sum is σ = 335275020. Its totient is φ = 56097792.

The previous prime is 140245103. The next prime is 140245123. The reversal of 140245120 is 21542041.

It can be written as a sum of positive squares in 2 ways, for example, as 139617856 + 627264 = 11816^2 + 792^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (140245123) 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, 108927 + ... + 110206.

Almost surely, 2^140245120 is an apocalyptic number.

140245120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140245120 is an abundant number, since it is smaller than the sum of its proper divisors (195029900).

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

140245120 is an equidigital number, since it uses as much as digits as its factorization.

140245120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219152 (or 219140 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 140245120 is about 11842.5132467733. The cubic root of 140245120 is about 519.5522773410.

Adding to 140245120 its reverse (21542041), we get a palindrome (161787161).

The spelling of 140245120 in words is "one hundred forty million, two hundred forty-five thousand, one hundred twenty".