136416401 has 4 divisors (see below), whose sum is σ = 148817904. Its totient is φ = 124014900.

The previous prime is 136416367. The next prime is 136416421. The reversal of 136416401 is 104614631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104614631 = 11 ⋅9510421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136416401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136416421) 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, 6200735 + ... + 6200756.

It is an arithmetic number, because the mean of its divisors is an integer number (37204476).

Almost surely, 2^136416401 is an apocalyptic number.

136416401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136416401 is a deficient number, since it is larger than the sum of its proper divisors (12401503).

136416401 is a wasteful number, since it uses less digits than its factorization.

136416401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12401502.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 136416401 is about 11679.7431906699. The cubic root of 136416401 is about 514.7806285974.

The spelling of 136416401 in words is "one hundred thirty-six million, four hundred sixteen thousand, four hundred one".