127640012070154 has 16 divisors (see below), whose sum is σ = 191871046137888. Its totient is φ = 63682998186672.

The previous prime is 127640012070149. The next prime is 127640012070157. The reversal of 127640012070154 is 451070210046721.

It is not an unprimeable number, because it can be changed into a prime (127640012070157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297622444 + ... + 298051000.

It is an arithmetic number, because the mean of its divisors is an integer number (11991940383618).

Almost surely, 2^{127640012070154} is an apocalyptic number.

127640012070154 is a deficient number, since it is larger than the sum of its proper divisors (64231034067734).

127640012070154 is a wasteful number, since it uses less digits than its factorization.

127640012070154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747909.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 127640012070154 in words is "one hundred twenty-seven trillion, six hundred forty billion, twelve million, seventy thousand, one hundred fifty-four".