136477766 has 16 divisors (see below), whose sum is σ = 210491568. Its totient is φ = 66326400.

The previous prime is 136477763. The next prime is 136477769. The reversal of 136477766 is 667774631.

It is an interprime number because it is at equal distance from previous prime (136477763) and next prime (136477769).

It is a super-2 number, since 2×136477766² = 37252361224701512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136477766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136477763) 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 7 ways as a sum of consecutive naturals, for example, 20081 + ... + 26003.

It is an arithmetic number, because the mean of its divisors is an integer number (13155723).

Almost surely, 2^136477766 is an apocalyptic number.

136477766 is a deficient number, since it is larger than the sum of its proper divisors (74013802).

136477766 is a wasteful number, since it uses less digits than its factorization.

136477766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6247.

The product of its digits is 889056, while the sum is 47.

The square root of 136477766 is about 11682.3698794380. The cubic root of 136477766 is about 514.8578059689.

The spelling of 136477766 in words is "one hundred thirty-six million, four hundred seventy-seven thousand, seven hundred sixty-six".