137261340326056 has 32 divisors (see below), whose sum is σ = 272504699939880. Its totient is φ = 64593437184000.

The previous prime is 137261340325999. The next prime is 137261340326101. The reversal of 137261340326056 is 650623043162731.

It can be written as a sum of positive squares in 4 ways, for example, as 132834061433956 + 4427278892100 = 11525366^2 + 2104110^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99741856 + ... + 101108656.

Almost surely, 2^{137261340326056} is an apocalyptic number.

It is an amenable number.

137261340326056 is a deficient number, since it is larger than the sum of its proper divisors (135243359613824).

137261340326056 is a wasteful number, since it uses less digits than its factorization.

137261340326056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105245 (or 2105241 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 49.

Adding to 137261340326056 its reverse (650623043162731), we get a palindrome (787884383488787).

The spelling of 137261340326056 in words is "one hundred thirty-seven trillion, two hundred sixty-one billion, three hundred forty million, three hundred twenty-six thousand, fifty-six".