140257055 has 8 divisors (see below), whose sum is σ = 178209072. Its totient is φ = 105605248.

The previous prime is 140257037. The next prime is 140257067. The reversal of 140257055 is 550752041.

140257055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140257055 - 2¹⁰ = 140256031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824957 + ... + 825126.

It is an arithmetic number, because the mean of its divisors is an integer number (22276134).

Almost surely, 2^140257055 is an apocalyptic number.

140257055 is a deficient number, since it is larger than the sum of its proper divisors (37952017).

140257055 is a wasteful number, since it uses less digits than its factorization.

140257055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650105.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 140257055 is about 11843.0171409147. The cubic root of 140257055 is about 519.5670150625.

The spelling of 140257055 in words is "one hundred forty million, two hundred fifty-seven thousand, fifty-five".