140457235 has 4 divisors (see below), whose sum is σ = 168548688. Its totient is φ = 112365784.

The previous prime is 140457227. The next prime is 140457269. The reversal of 140457235 is 532754041.

140457235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140457235 - 2³ = 140457227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140457197 and 140457206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14045719 + ... + 14045728.

It is an arithmetic number, because the mean of its divisors is an integer number (42137172).

Almost surely, 2^140457235 is an apocalyptic number.

140457235 is a deficient number, since it is larger than the sum of its proper divisors (28091453).

140457235 is an equidigital number, since it uses as much as digits as its factorization.

140457235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28091452.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 140457235 is about 11851.4655211919. The cubic root of 140457235 is about 519.8140792439.

The spelling of 140457235 in words is "one hundred forty million, four hundred fifty-seven thousand, two hundred thirty-five".