125136377399 has 8 divisors (see below), whose sum is σ = 136542201600. Its totient is φ = 113735518200.

The previous prime is 125136377393. The next prime is 125136377453. The reversal of 125136377399 is 993773631521.

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

It is a cyclic number.

It is not a de Polignac number, because 125136377399 - 2¹² = 125136373303 is a prime.

It is a super-2 number, since 2×125136377399² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125136377393) 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, 1188449 + ... + 1289450.

It is an arithmetic number, because the mean of its divisors is an integer number (17067775200).

Almost surely, 2^125136377399 is an apocalyptic number.

125136377399 is a deficient number, since it is larger than the sum of its proper divisors (11405824201).

125136377399 is a wasteful number, since it uses less digits than its factorization.

125136377399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482501.

The product of its digits is 6429780, while the sum is 56.

The spelling of 125136377399 in words is "one hundred twenty-five billion, one hundred thirty-six million, three hundred seventy-seven thousand, three hundred ninety-nine".