136791471 has 16 divisors (see below), whose sum is σ = 188496000. Its totient is φ = 88183200.

The previous prime is 136791467. The next prime is 136791491. The reversal of 136791471 is 174197631.

136791471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136791471 - 2² = 136791467 is a prime.

It is a super-3 number, since 3×136791471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136791491) 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, 7780 + ... + 18278.

It is an arithmetic number, because the mean of its divisors is an integer number (11781000).

Almost surely, 2^136791471 is an apocalyptic number.

136791471 is a deficient number, since it is larger than the sum of its proper divisors (51704529).

136791471 is a wasteful number, since it uses less digits than its factorization.

136791471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646.

The product of its digits is 31752, while the sum is 39.

The square root of 136791471 is about 11695.7886010307. The cubic root of 136791471 is about 515.2519846448.

The spelling of 136791471 in words is "one hundred thirty-six million, seven hundred ninety-one thousand, four hundred seventy-one".