2135374321437 has 64 divisors (see below), whose sum is σ = 3793258168320. Its totient is φ = 1161493732800.

The previous prime is 2135374321403. The next prime is 2135374321459. The reversal of 2135374321437 is 7341234735312.

2135374321437 is a `hidden beast` number, since 2 + 1 + 35 + 374 + 3 + 214 + 37 = 666.

It is not a de Polignac number, because 2135374321437 - 2¹¹ = 2135374319389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2135374321392 and 2135374321401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135374321937) by changing a digit.

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 in 63 ways as a sum of consecutive naturals, for example, 2629983 + ... + 3344780.

It is an arithmetic number, because the mean of its divisors is an integer number (59269658880).

Almost surely, 2^{2135374321437} is an apocalyptic number.

2135374321437 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2135374321437 is a deficient number, since it is larger than the sum of its proper divisors (1657883846883).

2135374321437 is a wasteful number, since it uses less digits than its factorization.

2135374321437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5974871 (or 5974865 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 45.

The spelling of 2135374321437 in words is "two trillion, one hundred thirty-five billion, three hundred seventy-four million, three hundred twenty-one thousand, four hundred thirty-seven".