137628087855 has 32 divisors (see below), whose sum is σ = 224662007808. Its totient is φ = 71927433600.

The previous prime is 137628087851. The next prime is 137628087859. The reversal of 137628087855 is 558780826731.

It is an interprime number because it is at equal distance from previous prime (137628087851) and next prime (137628087859).

It is not a de Polignac number, because 137628087855 - 2² = 137628087851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137628087851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166536 + ... + 550445.

It is an arithmetic number, because the mean of its divisors is an integer number (7020687744).

Almost surely, 2^137628087855 is an apocalyptic number.

137628087855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

137628087855 is a deficient number, since it is larger than the sum of its proper divisors (87033919953).

137628087855 is a wasteful number, since it uses less digits than its factorization.

137628087855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717247.

The product of its (nonzero) digits is 22579200, while the sum is 60.

The spelling of 137628087855 in words is "one hundred thirty-seven billion, six hundred twenty-eight million, eighty-seven thousand, eight hundred fifty-five".