136911672 has 24 divisors (see below), whose sum is σ = 370802640. Its totient is φ = 45637200.

The previous prime is 136911631. The next prime is 136911673. The reversal of 136911672 is 276119631.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136911673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 950704 + ... + 950847.

It is an arithmetic number, because the mean of its divisors is an integer number (15450110).

Almost surely, 2^136911672 is an apocalyptic number.

136911672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136911672 is an abundant number, since it is smaller than the sum of its proper divisors (233890968).

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

136911672 is a wasteful number, since it uses less digits than its factorization.

136911672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901563 (or 1901556 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 136911672 is about 11700.9261171926. The cubic root of 136911672 is about 515.4028606983.

It can be divided in two parts, 1369 and 11672, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 136911672 in words is "one hundred thirty-six million, nine hundred eleven thousand, six hundred seventy-two".