140455071 has 48 divisors (see below), whose sum is σ = 226141344. Its totient is φ = 83607552.

The previous prime is 140455057. The next prime is 140455109. The reversal of 140455071 is 170554041.

It is a happy number.

140455071 is a `hidden beast` number, since 1 + 40 + 4 + 550 + 71 = 666.

It is not a de Polignac number, because 140455071 - 2²³ = 132066463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140455571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243135 + ... + 243711.

It is an arithmetic number, because the mean of its divisors is an integer number (4711278).

Almost surely, 2^140455071 is an apocalyptic number.

140455071 is a deficient number, since it is larger than the sum of its proper divisors (85686273).

140455071 is a wasteful number, since it uses less digits than its factorization.

140455071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 140455071 is about 11851.3742241143. The cubic root of 140455071 is about 519.8114096687.

The spelling of 140455071 in words is "one hundred forty million, four hundred fifty-five thousand, seventy-one".