137655674819 has 4 divisors (see below), whose sum is σ = 148244572896. Its totient is φ = 127066776744.

The previous prime is 137655674801. The next prime is 137655674839. The reversal of 137655674819 is 918476556731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918476556731 = 823 ⋅1116010397.

It is a cyclic number.

It is not a de Polignac number, because 137655674819 - 2¹⁶ = 137655609283 is a prime.

It is a super-2 number, since 2×137655674819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137655674839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5294449019 + ... + 5294449044.

It is an arithmetic number, because the mean of its divisors is an integer number (37061143224).

Almost surely, 2^137655674819 is an apocalyptic number.

137655674819 is a deficient number, since it is larger than the sum of its proper divisors (10588898077).

137655674819 is a wasteful number, since it uses less digits than its factorization.

137655674819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10588898076.

The product of its digits is 38102400, while the sum is 62.

The spelling of 137655674819 in words is "one hundred thirty-seven billion, six hundred fifty-five million, six hundred seventy-four thousand, eight hundred nineteen".