205714748154 has 16 divisors (see below), whose sum is σ = 411526104480. Its totient is φ = 68555481360.

The previous prime is 205714748131. The next prime is 205714748219. The reversal of 205714748154 is 451847417502.

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, 3997644 + ... + 4048775.

It is an arithmetic number, because the mean of its divisors is an integer number (25720381530).

Almost surely, 2^205714748154 is an apocalyptic number.

205714748154 is an abundant number, since it is smaller than the sum of its proper divisors (205811356326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205714748154 is a wasteful number, since it uses less digits than its factorization.

205714748154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8050685.

The product of its (nonzero) digits is 1254400, while the sum is 48.

The spelling of 205714748154 in words is "two hundred five billion, seven hundred fourteen million, seven hundred forty-eight thousand, one hundred fifty-four".