2154057236 has 24 divisors (see below), whose sum is σ = 3838235520. Its totient is φ = 1057522752.

The previous prime is 2154057229. The next prime is 2154057247. The reversal of 2154057236 is 6327504512.

It is a junction number, because it is equal to n+sod(n) for n = 2154057196 and 2154057205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71045 + ... + 96723.

It is an arithmetic number, because the mean of its divisors is an integer number (159926480).

Almost surely, 2^2154057236 is an apocalyptic number.

It is an amenable number.

2154057236 is a deficient number, since it is larger than the sum of its proper divisors (1684178284).

2154057236 is a wasteful number, since it uses less digits than its factorization.

2154057236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26063 (or 26061 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2154057236 is about 46411.8221577218. The cubic root of 2154057236 is about 1291.4742346938.

The spelling of 2154057236 in words is "two billion, one hundred fifty-four million, fifty-seven thousand, two hundred thirty-six".