137286913646 has 32 divisors (see below), whose sum is σ = 221941948800. Its totient is φ = 63480503520.

The previous prime is 137286913639. The next prime is 137286913663. The reversal of 137286913646 is 646319682731.

It is a super-2 number, since 2×137286913646² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137286913591 and 137286913600.

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 in 15 ways as a sum of consecutive naturals, for example, 2820665 + ... + 2868923.

It is an arithmetic number, because the mean of its divisors is an integer number (6935685900).

Almost surely, 2^137286913646 is an apocalyptic number.

137286913646 is a deficient number, since it is larger than the sum of its proper divisors (84655035154).

137286913646 is a wasteful number, since it uses less digits than its factorization.

137286913646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50064.

The product of its digits is 7838208, while the sum is 56.

The spelling of 137286913646 in words is "one hundred thirty-seven billion, two hundred eighty-six million, nine hundred thirteen thousand, six hundred forty-six".