134374384181851 has 16 divisors (see below), whose sum is σ = 150576904304640. Its totient is φ = 118837394909280.

The previous prime is 134374384181839. The next prime is 134374384181897. The reversal of 134374384181851 is 158181483473431.

It is a cyclic number.

It is not a de Polignac number, because 134374384181851 - 2⁴¹ = 132175360926299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134374384181851.

It is not an unprimeable number, because it can be changed into a prime (134374384181831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24681481 + ... + 29629786.

It is an arithmetic number, because the mean of its divisors is an integer number (9411056519040).

Almost surely, 2^{134374384181851} is an apocalyptic number.

134374384181851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134374384181851 is a deficient number, since it is larger than the sum of its proper divisors (16202520122789).

134374384181851 is a wasteful number, since it uses less digits than its factorization.

134374384181851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54317394.

The product of its digits is 30965760, while the sum is 61.

The spelling of 134374384181851 in words is "one hundred thirty-four trillion, three hundred seventy-four billion, three hundred eighty-four million, one hundred eighty-one thousand, eight hundred fifty-one".