128151406394 has 48 divisors (see below), whose sum is σ = 219438876384. Its totient is φ = 55661416800.

The previous prime is 128151406393. The next prime is 128151406457. The reversal of 128151406394 is 493604151821.

It is not an unprimeable number, because it can be changed into a prime (128151406393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12692012 + ... + 12702104.

It is an arithmetic number, because the mean of its divisors is an integer number (4571643258).

Almost surely, 2^128151406394 is an apocalyptic number.

128151406394 is a deficient number, since it is larger than the sum of its proper divisors (91287469990).

128151406394 is a wasteful number, since it uses less digits than its factorization.

128151406394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11243 (or 11220 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 128151406394 in words is "one hundred twenty-eight billion, one hundred fifty-one million, four hundred six thousand, three hundred ninety-four".