135676178254 has 16 divisors (see below), whose sum is σ = 216379839456. Its totient is φ = 63582681600.

The previous prime is 135676178221. The next prime is 135676178257. The reversal of 135676178254 is 452871676531.

It is a super-2 number, since 2×135676178254² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135676178195 and 135676178204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135676178257) 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, 8270802 + ... + 8287189.

It is an arithmetic number, because the mean of its divisors is an integer number (13523739966).

Almost surely, 2^135676178254 is an apocalyptic number.

135676178254 is a deficient number, since it is larger than the sum of its proper divisors (80703661202).

135676178254 is a wasteful number, since it uses less digits than its factorization.

135676178254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16558251.

The product of its digits is 8467200, while the sum is 55.

The spelling of 135676178254 in words is "one hundred thirty-five billion, six hundred seventy-six million, one hundred seventy-eight thousand, two hundred fifty-four".