254106666136 has 32 divisors (see below), whose sum is σ = 494806847040. Its totient is φ = 122246375328.

The previous prime is 254106666119. The next prime is 254106666169. The reversal of 254106666136 is 631666601452.

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 7 ways as a sum of consecutive naturals, for example, 5489506 + ... + 5535601.

It is an arithmetic number, because the mean of its divisors is an integer number (15462713970).

Almost surely, 2^254106666136 is an apocalyptic number.

It is an amenable number.

254106666136 is a deficient number, since it is larger than the sum of its proper divisors (240700180904).

254106666136 is a wasteful number, since it uses less digits than its factorization.

254106666136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025223 (or 11025219 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 254106666136 in words is "two hundred fifty-four billion, one hundred six million, six hundred sixty-six thousand, one hundred thirty-six".