2137390678 has 8 divisors (see below), whose sum is σ = 3266578368. Its totient is φ = 1048531224.

The previous prime is 2137390669. The next prime is 2137390709. The reversal of 2137390678 is 8760937312.

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, 10081926 + ... + 10082137.

It is an arithmetic number, because the mean of its divisors is an integer number (408322296).

Almost surely, 2^2137390678 is an apocalyptic number.

2137390678 is a deficient number, since it is larger than the sum of its proper divisors (1129187690).

2137390678 is a wasteful number, since it uses less digits than its factorization.

2137390678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20164118.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 2137390678 is about 46231.9227158032. The cubic root of 2137390678 is about 1288.1347716407.

The spelling of 2137390678 in words is "two billion, one hundred thirty-seven million, three hundred ninety thousand, six hundred seventy-eight".