125440535534 has 4 divisors (see below), whose sum is σ = 188160803304. Its totient is φ = 62720267766.

The previous prime is 125440535513. The next prime is 125440535543. The reversal of 125440535534 is 435535044521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435535044521 = 4889 ⋅89084689.

It is a junction number, because it is equal to n+sod(n) for n = 125440535491 and 125440535500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31360133882 + ... + 31360133885.

It is an arithmetic number, because the mean of its divisors is an integer number (47040200826).

Almost surely, 2^125440535534 is an apocalyptic number.

125440535534 is a deficient number, since it is larger than the sum of its proper divisors (62720267770).

125440535534 is an equidigital number, since it uses as much as digits as its factorization.

125440535534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62720267769.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 125440535534 in words is "one hundred twenty-five billion, four hundred forty million, five hundred thirty-five thousand, five hundred thirty-four".