2140629739 has 8 divisors (see below), whose sum is σ = 2162806880. Its totient is φ = 2118479616.

The previous prime is 2140629731. The next prime is 2140629761. The reversal of 2140629739 is 9379260412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2140629739 - 2³ = 2140629731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140629695 and 2140629704.

It is not an unprimeable number, because it can be changed into a prime (2140629731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178459 + ... + 190075.

It is an arithmetic number, because the mean of its divisors is an integer number (270350860).

Almost surely, 2^2140629739 is an apocalyptic number.

2140629739 is a deficient number, since it is larger than the sum of its proper divisors (22177141).

2140629739 is a wasteful number, since it uses less digits than its factorization.

2140629739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13509.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 2140629739 is about 46266.9400220071. The cubic root of 2140629739 is about 1288.7851349220.

The spelling of 2140629739 in words is "two billion, one hundred forty million, six hundred twenty-nine thousand, seven hundred thirty-nine".