136423761 has 8 divisors (see below), whose sum is σ = 182149440. Its totient is φ = 90823632.

The previous prime is 136423723. The next prime is 136423789. The reversal of 136423761 is 167324631.

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

It is not a de Polignac number, because 136423761 - 2¹⁵ = 136390993 is a prime.

It is a super-2 number, since 2×136423761² = 37222885130770242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136423061) 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, 28821 + ... + 33218.

It is an arithmetic number, because the mean of its divisors is an integer number (22768680).

Almost surely, 2^136423761 is an apocalyptic number.

It is an amenable number.

136423761 is a deficient number, since it is larger than the sum of its proper divisors (45725679).

136423761 is an equidigital number, since it uses as much as digits as its factorization.

136423761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62775.

The product of its digits is 18144, while the sum is 33.

The square root of 136423761 is about 11680.0582618410. The cubic root of 136423761 is about 514.7898863242.

The spelling of 136423761 in words is "one hundred thirty-six million, four hundred twenty-three thousand, seven hundred sixty-one".