2151340415 has 8 divisors (see below), whose sum is σ = 2950409760. Its totient is φ = 1475204832.

The previous prime is 2151340393. The next prime is 2151340459. The reversal of 2151340415 is 5140431512.

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 2151340415 - 2⁸ = 2151340159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30733400 + ... + 30733469.

It is an arithmetic number, because the mean of its divisors is an integer number (368801220).

Almost surely, 2^2151340415 is an apocalyptic number.

2151340415 is a deficient number, since it is larger than the sum of its proper divisors (799069345).

2151340415 is an equidigital number, since it uses as much as digits as its factorization.

2151340415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61466881.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2151340415 is about 46382.5442920071. The cubic root of 2151340415 is about 1290.9310457101.

Adding to 2151340415 its reverse (5140431512), we get a palindrome (7291771927).

The spelling of 2151340415 in words is "two billion, one hundred fifty-one million, three hundred forty thousand, four hundred fifteen".