137195477243 has 8 divisors (see below), whose sum is σ = 149762359296. Its totient is φ = 124644356200.

The previous prime is 137195477239. The next prime is 137195477257. The reversal of 137195477243 is 342774591731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137195477243 - 2² = 137195477239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137195477843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3922043 + ... + 3956868.

It is an arithmetic number, because the mean of its divisors is an integer number (18720294912).

Almost surely, 2^137195477243 is an apocalyptic number.

137195477243 is a deficient number, since it is larger than the sum of its proper divisors (12566882053).

137195477243 is a wasteful number, since it uses less digits than its factorization.

137195477243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880505.

The product of its digits is 4445280, while the sum is 53.

The spelling of 137195477243 in words is "one hundred thirty-seven billion, one hundred ninety-five million, four hundred seventy-seven thousand, two hundred forty-three".