136040441997 has 24 divisors (see below), whose sum is σ = 202826058400. Its totient is φ = 80866135296.

The previous prime is 136040441989. The next prime is 136040442023. The reversal of 136040441997 is 799144040631.

It is not a de Polignac number, because 136040441997 - 2³ = 136040441989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136040441947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4112722 + ... + 4145667.

Almost surely, 2^136040441997 is an apocalyptic number.

136040441997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

136040441997 is a deficient number, since it is larger than the sum of its proper divisors (66785616403).

136040441997 is a wasteful number, since it uses less digits than its factorization.

136040441997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8258445 (or 8258428 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 136040441997 in words is "one hundred thirty-six billion, forty million, four hundred forty-one thousand, nine hundred ninety-seven".