2136212551 has 8 divisors (see below), whose sum is σ = 2330759808. Its totient is φ = 1941723000.

The previous prime is 2136212509. The next prime is 2136212567. The reversal of 2136212551 is 1552126312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136212551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136212581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108756 + ... + 126886.

It is an arithmetic number, because the mean of its divisors is an integer number (291344976).

Almost surely, 2^2136212551 is an apocalyptic number.

2136212551 is a deficient number, since it is larger than the sum of its proper divisors (194547257).

2136212551 is a wasteful number, since it uses less digits than its factorization.

2136212551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28853.

The product of its digits is 3600, while the sum is 28.

The square root of 2136212551 is about 46219.1794712974. The cubic root of 2136212551 is about 1287.8980553982.

Adding to 2136212551 its reverse (1552126312), we get a palindrome (3688338863).

The spelling of 2136212551 in words is "two billion, one hundred thirty-six million, two hundred twelve thousand, five hundred fifty-one".