136747471 has 8 divisors (see below), whose sum is σ = 157279520. Its totient is φ = 116464608.

The previous prime is 136747451. The next prime is 136747493. The reversal of 136747471 is 174747631.

It is a happy number.

136747471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136747471 - 2¹¹ = 136745423 is a prime.

It is a super-3 number, since 3×136747471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136747411) 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, 61116 + ... + 63313.

It is an arithmetic number, because the mean of its divisors is an integer number (19659940).

Almost surely, 2^136747471 is an apocalyptic number.

136747471 is a deficient number, since it is larger than the sum of its proper divisors (20532049).

136747471 is a wasteful number, since it uses less digits than its factorization.

136747471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124593.

The product of its digits is 98784, while the sum is 40.

The square root of 136747471 is about 11693.9074307949. The cubic root of 136747471 is about 515.1967338353.

The spelling of 136747471 in words is "one hundred thirty-six million, seven hundred forty-seven thousand, four hundred seventy-one".