2135331554 has 4 divisors (see below), whose sum is σ = 3202997334. Its totient is φ = 1067665776.

The previous prime is 2135331551. The next prime is 2135331557. The reversal of 2135331554 is 4551335312.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2135331551) and next prime (2135331557).

It can be written as a sum of positive squares in only one way, i.e., 1226610529 + 908721025 = 35023^2 + 30145^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2135331554.

It is not an unprimeable number, because it can be changed into a prime (2135331551) by changing a digit.

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 as a sum of consecutive naturals, namely, 533832887 + ... + 533832890.

Almost surely, 2^2135331554 is an apocalyptic number.

2135331554 is a deficient number, since it is larger than the sum of its proper divisors (1067665780).

2135331554 is a wasteful number, since it uses less digits than its factorization.

2135331554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067665779.

The product of its digits is 27000, while the sum is 32.

The square root of 2135331554 is about 46209.6478454446. The cubic root of 2135331554 is about 1287.7209833903.

Adding to 2135331554 its reverse (4551335312), we get a palindrome (6686666866).

The spelling of 2135331554 in words is "two billion, one hundred thirty-five million, three hundred thirty-one thousand, five hundred fifty-four".