140429159 has 4 divisors (see below), whose sum is σ = 151231416. Its totient is φ = 129626904.

The previous prime is 140429153. The next prime is 140429173. The reversal of 140429159 is 951924041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140429159 - 2⁴ = 140429143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140429153) 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, 5401109 + ... + 5401134.

It is an arithmetic number, because the mean of its divisors is an integer number (37807854).

Almost surely, 2^140429159 is an apocalyptic number.

140429159 is a deficient number, since it is larger than the sum of its proper divisors (10802257).

140429159 is a wasteful number, since it uses less digits than its factorization.

140429159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10802256.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 140429159 is about 11850.2809671332. The cubic root of 140429159 is about 519.7794417197.

The spelling of 140429159 in words is "one hundred forty million, four hundred twenty-nine thousand, one hundred fifty-nine".