135899182155672 has 48 divisors (see below), whose sum is σ = 396372614623440. Its totient is φ = 41815132970688.

The previous prime is 135899182155623. The next prime is 135899182155683. The reversal of 135899182155672 is 276551281998531.

135899182155672 is a `hidden beast` number, since 1 + 3 + 58 + 9 + 9 + 1 + 8 + 2 + 1 + 5 + 567 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 135899182155672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72595716028 + ... + 72595717899.

It is an arithmetic number, because the mean of its divisors is an integer number (8257762804655).

Almost surely, 2^{135899182155672} is an apocalyptic number.

135899182155672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135899182155672 is an abundant number, since it is smaller than the sum of its proper divisors (260473432467768).

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

135899182155672 is a wasteful number, since it uses less digits than its factorization.

135899182155672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145191433952 (or 145191433945 counting only the distinct ones).

The product of its digits is 326592000, while the sum is 72.

The spelling of 135899182155672 in words is "one hundred thirty-five trillion, eight hundred ninety-nine billion, one hundred eighty-two million, one hundred fifty-five thousand, six hundred seventy-two".