2154234635 has 16 divisors (see below), whose sum is σ = 2967638016. Its totient is φ = 1470559968.

The previous prime is 2154234623. The next prime is 2154234659. The reversal of 2154234635 is 5364324512.

It is a cyclic number.

It is not a de Polignac number, because 2154234635 - 2³⁰ = 1080492811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 2154234595 and 2154234604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130199 + ... + 145808.

It is an arithmetic number, because the mean of its divisors is an integer number (185477376).

Almost surely, 2^2154234635 is an apocalyptic number.

2154234635 is a deficient number, since it is larger than the sum of its proper divisors (813403381).

2154234635 is a wasteful number, since it uses less digits than its factorization.

2154234635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276242.

The product of its digits is 86400, while the sum is 35.

The square root of 2154234635 is about 46413.7332585949. The cubic root of 2154234635 is about 1291.5096871638.

The spelling of 2154234635 in words is "two billion, one hundred fifty-four million, two hundred thirty-four thousand, six hundred thirty-five".