134478365651 has 16 divisors (see below), whose sum is σ = 157870439424. Its totient is φ = 112132581984.

The previous prime is 134478365639. The next prime is 134478365669. The reversal of 134478365651 is 156563874431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134478365651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134478365593 and 134478365602.

It is not an unprimeable number, because it can be changed into a prime (134478365621) 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, 1580666 + ... + 1663568.

It is an arithmetic number, because the mean of its divisors is an integer number (9866902464).

Almost surely, 2^134478365651 is an apocalyptic number.

134478365651 is a deficient number, since it is larger than the sum of its proper divisors (23392073773).

134478365651 is an equidigital number, since it uses as much as digits as its factorization.

134478365651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89210.

The product of its digits is 7257600, while the sum is 53.

The spelling of 134478365651 in words is "one hundred thirty-four billion, four hundred seventy-eight million, three hundred sixty-five thousand, six hundred fifty-one".