2139700467 has 4 divisors (see below), whose sum is σ = 2852933960. Its totient is φ = 1426466976.

The previous prime is 2139700441. The next prime is 2139700469. The reversal of 2139700467 is 7640079312.

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

It is not a de Polignac number, because 2139700467 - 2²⁰ = 2138651891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2139700469) 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, 356616742 + ... + 356616747.

It is an arithmetic number, because the mean of its divisors is an integer number (713233490).

Almost surely, 2^2139700467 is an apocalyptic number.

2139700467 is a deficient number, since it is larger than the sum of its proper divisors (713233493).

2139700467 is an equidigital number, since it uses as much as digits as its factorization.

2139700467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713233492.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 2139700467 is about 46256.8964263708. The cubic root of 2139700467 is about 1288.5986157774.

Adding to 2139700467 its reverse (7640079312), we get a palindrome (9779779779).

The spelling of 2139700467 in words is "two billion, one hundred thirty-nine million, seven hundred thousand, four hundred sixty-seven".