7121641392135 has 32 divisors (see below), whose sum is σ = 13327048224000. Its totient is φ = 3598303017888.

The previous prime is 7121641392109. The next prime is 7121641392157. The reversal of 7121641392135 is 5312931461217.

7121641392135 is a `hidden beast` number, since 7 + 1 + 2 + 16 + 413 + 9 + 213 + 5 = 666.

It is not a de Polignac number, because 7121641392135 - 2¹⁶ = 7121641326599 is a prime.

It is a super-2 number, since 2×7121641392135² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1388231625 + ... + 1388236754.

It is an arithmetic number, because the mean of its divisors is an integer number (416470257000).

Almost surely, 2^{7121641392135} is an apocalyptic number.

7121641392135 is a deficient number, since it is larger than the sum of its proper divisors (6205406831865).

7121641392135 is a wasteful number, since it uses less digits than its factorization.

7121641392135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776468412 (or 2776468406 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 7121641392135 in words is "seven trillion, one hundred twenty-one billion, six hundred forty-one million, three hundred ninety-two thousand, one hundred thirty-five".