2135154345 has 32 divisors (see below), whose sum is σ = 3452058624. Its totient is φ = 1126872000.

The previous prime is 2135154337. The next prime is 2135154347. The reversal of 2135154345 is 5434515312.

It is not a de Polignac number, because 2135154345 - 2³ = 2135154337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2135154347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639330 + ... + 642660.

It is an arithmetic number, because the mean of its divisors is an integer number (107876832).

Almost surely, 2^2135154345 is an apocalyptic number.

It is an amenable number.

2135154345 is a deficient number, since it is larger than the sum of its proper divisors (1316904279).

2135154345 is a wasteful number, since it uses less digits than its factorization.

2135154345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773.

The product of its digits is 36000, while the sum is 33.

The square root of 2135154345 is about 46207.7303597569. The cubic root of 2135154345 is about 1287.6853601854.

Adding to 2135154345 its reverse (5434515312), we get a palindrome (7569669657).

The spelling of 2135154345 in words is "two billion, one hundred thirty-five million, one hundred fifty-four thousand, three hundred forty-five".