2154132536 has 16 divisors (see below), whose sum is σ = 4040692440. Its totient is φ = 1076614560.

The previous prime is 2154132527. The next prime is 2154132553. The reversal of 2154132536 is 6352314512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35750 + ... + 74741.

Almost surely, 2^2154132536 is an apocalyptic number.

It is an amenable number.

2154132536 is a deficient number, since it is larger than the sum of its proper divisors (1886559904).

2154132536 is a wasteful number, since it uses less digits than its factorization.

2154132536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112934 (or 112930 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 2154132536 is about 46412.6333663583. The cubic root of 2154132536 is about 1291.4892833309.

The spelling of 2154132536 in words is "two billion, one hundred fifty-four million, one hundred thirty-two thousand, five hundred thirty-six".