140901471 has 8 divisors (see below), whose sum is σ = 208742960. Its totient is φ = 93934296.

The previous prime is 140901463. The next prime is 140901529. The reversal of 140901471 is 174109041.

It is not a de Polignac number, because 140901471 - 2³ = 140901463 is a prime.

It is a super-3 number, since 3×140901471³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5218573 = 140901471 / (1 + 4 + 0 + 9 + 0 + 1 + 4 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140901071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609260 + ... + 2609313.

It is an arithmetic number, because the mean of its divisors is an integer number (26092870).

Almost surely, 2^140901471 is an apocalyptic number.

140901471 is a deficient number, since it is larger than the sum of its proper divisors (67841489).

140901471 is an equidigital number, since it uses as much as digits as its factorization.

140901471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218582 (or 5218576 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 140901471 is about 11870.1925426675. The cubic root of 140901471 is about 520.3615225136.

The spelling of 140901471 in words is "one hundred forty million, nine hundred one thousand, four hundred seventy-one".