136377471 has 4 divisors (see below), whose sum is σ = 181836632. Its totient is φ = 90918312.

The previous prime is 136377469. The next prime is 136377473. The reversal of 136377471 is 174773631.

It is a happy number.

136377471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (136377469) and next prime (136377473).

It is not a de Polignac number, because 136377471 - 2¹ = 136377469 is a prime.

It is a super-3 number, since 3×136377471³ (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 (136377473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22729576 + ... + 22729581.

It is an arithmetic number, because the mean of its divisors is an integer number (45459158).

Almost surely, 2^136377471 is an apocalyptic number.

136377471 is a deficient number, since it is larger than the sum of its proper divisors (45459161).

136377471 is an equidigital number, since it uses as much as digits as its factorization.

136377471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45459160.

The product of its digits is 74088, while the sum is 39.

The square root of 136377471 is about 11678.0765111383. The cubic root of 136377471 is about 514.7316552179.

The spelling of 136377471 in words is "one hundred thirty-six million, three hundred seventy-seven thousand, four hundred seventy-one".