137628893951 has 4 divisors (see below), whose sum is σ = 137637155352. Its totient is φ = 137620632552.

The previous prime is 137628893929. The next prime is 137628894031. The reversal of 137628893951 is 159398826731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137628893951 - 2²² = 137624699647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137628898951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4105661 + ... + 4139046.

It is an arithmetic number, because the mean of its divisors is an integer number (34409288838).

Almost surely, 2^137628893951 is an apocalyptic number.

137628893951 is a deficient number, since it is larger than the sum of its proper divisors (8261401).

137628893951 is an equidigital number, since it uses as much as digits as its factorization.

137628893951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8261400.

The product of its digits is 19595520, while the sum is 62.

The spelling of 137628893951 in words is "one hundred thirty-seven billion, six hundred twenty-eight million, eight hundred ninety-three thousand, nine hundred fifty-one".