136549001949 has 8 divisors (see below), whose sum is σ = 182881773312. Its totient is φ = 90624449280.

The previous prime is 136549001947. The next prime is 136549001951. The reversal of 136549001949 is 949100945631.

It is an interprime number because it is at equal distance from previous prime (136549001947) and next prime (136549001951).

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

It is not a de Polignac number, because 136549001949 - 2¹ = 136549001947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136549001947) 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, 102053892 + ... + 102055229.

It is an arithmetic number, because the mean of its divisors is an integer number (22860221664).

Almost surely, 2^136549001949 is an apocalyptic number.

It is an amenable number.

136549001949 is a deficient number, since it is larger than the sum of its proper divisors (46332771363).

136549001949 is a wasteful number, since it uses less digits than its factorization.

136549001949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204109347.

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 136549001949 in words is "one hundred thirty-six billion, five hundred forty-nine million, one thousand, nine hundred forty-nine".