140478159 has 16 divisors (see below), whose sum is σ = 196466688. Its totient is φ = 89178912.

The previous prime is 140478137. The next prime is 140478167. The reversal of 140478159 is 951874041.

It is not a de Polignac number, because 140478159 - 2¹² = 140474063 is a prime.

It is a super-2 number, since 2×140478159² = 39468226312058562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140478109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8247 + ... + 18680.

It is an arithmetic number, because the mean of its divisors is an integer number (12279168).

Almost surely, 2^140478159 is an apocalyptic number.

140478159 is a deficient number, since it is larger than the sum of its proper divisors (55988529).

140478159 is a wasteful number, since it uses less digits than its factorization.

140478159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27014.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 140478159 is about 11852.3482483430. The cubic root of 140478159 is about 519.8398903024.

The spelling of 140478159 in words is "one hundred forty million, four hundred seventy-eight thousand, one hundred fifty-nine".