135672421041 has 120 divisors (see below), whose sum is σ = 223220304384. Its totient is φ = 82015649280.

The previous prime is 135672421009. The next prime is 135672421043. The reversal of 135672421041 is 140124276531.

135672421041 is a `hidden beast` number, since 1 + 3 + 567 + 2 + 42 + 10 + 41 = 666.

It is not a de Polignac number, because 135672421041 - 2⁵ = 135672421009 is a prime.

It is a super-2 number, since 2×135672421041² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135672420987 and 135672421005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135672421043) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 87926916 + ... + 87928458.

Almost surely, 2^135672421041 is an apocalyptic number.

It is an amenable number.

135672421041 is a deficient number, since it is larger than the sum of its proper divisors (87547883343).

135672421041 is a wasteful number, since it uses less digits than its factorization.

135672421041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 135672421041 its reverse (140124276531), we get a palindrome (275796697572).

The spelling of 135672421041 in words is "one hundred thirty-five billion, six hundred seventy-two million, four hundred twenty-one thousand, forty-one".