135851676228 has 36 divisors (see below), whose sum is σ = 356121474800. Its totient is φ = 45283891752.

The previous prime is 135851676227. The next prime is 135851676229. The reversal of 135851676228 is 822676158531.

135851676228 is a `hidden beast` number, since 1 + 3 + 5 + 8 + 5 + 1 + 6 + 7 + 622 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (135851676227) and next prime (135851676229).

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (135851676221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69881578 + ... + 69883521.

Almost surely, 2^135851676228 is an apocalyptic number.

135851676228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

135851676228 is an abundant number, since it is smaller than the sum of its proper divisors (220269798572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135851676228 is a wasteful number, since it uses less digits than its factorization.

135851676228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139765118 (or 139765104 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 135851676228 in words is "one hundred thirty-five billion, eight hundred fifty-one million, six hundred seventy-six thousand, two hundred twenty-eight".