2138347462 has 8 divisors (see below), whose sum is σ = 3208433616. Its totient is φ = 1068869592.

The previous prime is 2138347447. The next prime is 2138347493. The reversal of 2138347462 is 2647438312.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143178 + ... + 157405.

It is an arithmetic number, because the mean of its divisors is an integer number (401054202).

Almost surely, 2^2138347462 is an apocalyptic number.

2138347462 is a deficient number, since it is larger than the sum of its proper divisors (1070086154).

2138347462 is a wasteful number, since it uses less digits than its factorization.

2138347462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304142.

The product of its digits is 193536, while the sum is 40.

The square root of 2138347462 is about 46242.2692133507. The cubic root of 2138347462 is about 1288.3269503405.

The spelling of 2138347462 in words is "two billion, one hundred thirty-eight million, three hundred forty-seven thousand, four hundred sixty-two".