136972355803 has 4 divisors (see below), whose sum is σ = 137466841120. Its totient is φ = 136477870488.

The previous prime is 136972355797. The next prime is 136972355809. The reversal of 136972355803 is 308553279631.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (136972355797) and next prime (136972355809).

It is a cyclic number.

It is not a de Polignac number, because 136972355803 - 2⁵ = 136972355771 is a prime.

It is a super-2 number, since 2×136972355803² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136972355809) 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 3 ways as a sum of consecutive naturals, for example, 247242243 + ... + 247242796.

It is an arithmetic number, because the mean of its divisors is an integer number (34366710280).

Almost surely, 2^136972355803 is an apocalyptic number.

136972355803 is a deficient number, since it is larger than the sum of its proper divisors (494485317).

136972355803 is an equidigital number, since it uses as much as digits as its factorization.

136972355803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494485316.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 136972355803 in words is "one hundred thirty-six billion, nine hundred seventy-two million, three hundred fifty-five thousand, eight hundred three".