137143356261 has 16 divisors (see below), whose sum is σ = 184585600320. Its totient is φ = 90565464960.

The previous prime is 137143356253. The next prime is 137143356271. The reversal of 137143356261 is 162653341731.

It is not a de Polignac number, because 137143356261 - 2³ = 137143356253 is a prime.

It is a super-3 number, since 3×137143356261³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137143356271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1188441 + ... + 1298721.

It is an arithmetic number, because the mean of its divisors is an integer number (11536600020).

Almost surely, 2^137143356261 is an apocalyptic number.

It is an amenable number.

137143356261 is a deficient number, since it is larger than the sum of its proper divisors (47442244059).

137143356261 is a wasteful number, since it uses less digits than its factorization.

137143356261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114196.

The product of its digits is 272160, while the sum is 42.

Adding to 137143356261 its reverse (162653341731), we get a palindrome (299796697992).

The spelling of 137143356261 in words is "one hundred thirty-seven billion, one hundred forty-three million, three hundred fifty-six thousand, two hundred sixty-one".