140425471 has 4 divisors (see below), whose sum is σ = 144220792. Its totient is φ = 136630152.

The previous prime is 140425469. The next prime is 140425529. The reversal of 140425471 is 174524041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174524041 = 599 ⋅291359.

It is a cyclic number.

It is not a de Polignac number, because 140425471 - 2¹ = 140425469 is a prime.

It is a super-3 number, since 3×140425471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140425421) 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, 1897605 + ... + 1897678.

It is an arithmetic number, because the mean of its divisors is an integer number (36055198).

Almost surely, 2^140425471 is an apocalyptic number.

140425471 is a deficient number, since it is larger than the sum of its proper divisors (3795321).

140425471 is an equidigital number, since it uses as much as digits as its factorization.

140425471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795320.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 140425471 is about 11850.1253579867. The cubic root of 140425471 is about 519.7748914697.

The spelling of 140425471 in words is "one hundred forty million, four hundred twenty-five thousand, four hundred seventy-one".