136246125377 has 4 divisors (see below), whose sum is σ = 137496089940. Its totient is φ = 134996160816.

The previous prime is 136246125287. The next prime is 136246125391. The reversal of 136246125377 is 773521642631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773521642631 = 1583 ⋅488642857.

It can be written as a sum of positive squares in 2 ways, for example, as 58779093136 + 77467032241 = 242444^2 + 278329^2 .

It is a cyclic number.

It is not a de Polignac number, because 136246125377 - 2¹⁴ = 136246108993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136246125577) 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, 624982118 + ... + 624982335.

It is an arithmetic number, because the mean of its divisors is an integer number (34374022485).

Almost surely, 2^136246125377 is an apocalyptic number.

It is an amenable number.

136246125377 is a deficient number, since it is larger than the sum of its proper divisors (1249964563).

136246125377 is a wasteful number, since it uses less digits than its factorization.

136246125377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249964562.

The product of its digits is 1270080, while the sum is 47.

The spelling of 136246125377 in words is "one hundred thirty-six billion, two hundred forty-six million, one hundred twenty-five thousand, three hundred seventy-seven".