2151137294 has 8 divisors (see below), whose sum is σ = 3267550560. Its totient is φ = 1061953776.

The previous prime is 2151137293. The next prime is 2151137369. The reversal of 2151137294 is 4927311512.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151137293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6807239 + ... + 6807554.

It is an arithmetic number, because the mean of its divisors is an integer number (408443820).

Almost surely, 2^2151137294 is an apocalyptic number.

2151137294 is a deficient number, since it is larger than the sum of its proper divisors (1116413266).

2151137294 is a wasteful number, since it uses less digits than its factorization.

2151137294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13614874.

The product of its digits is 15120, while the sum is 35.

The square root of 2151137294 is about 46380.3546127021. The cubic root of 2151137294 is about 1290.8904162408.

The spelling of 2151137294 in words is "two billion, one hundred fifty-one million, one hundred thirty-seven thousand, two hundred ninety-four".