140455053 has 20 divisors (see below), whose sum is σ = 214938108. Its totient is φ = 91350720.

The previous prime is 140455019. The next prime is 140455057. The reversal of 140455053 is 350554041.

140455053 is digitally balanced in base 2, 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 2 ways, for example, as 18507204 + 121947849 = 4302^2 + 11043^2 .

It is not a de Polignac number, because 140455053 - 2¹³ = 140446861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140455057) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17826 + ... + 24467.

Almost surely, 2^140455053 is an apocalyptic number.

It is an amenable number.

140455053 is a deficient number, since it is larger than the sum of its proper divisors (74483055).

140455053 is an equidigital number, since it uses as much as digits as its factorization.

140455053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42346 (or 42337 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 140455053 is about 11851.3734647086. The cubic root of 140455053 is about 519.8113874633.

The spelling of 140455053 in words is "one hundred forty million, four hundred fifty-five thousand, fifty-three".