137665735270 has 128 divisors (see below), whose sum is σ = 297249546240. Its totient is φ = 44912931840.

The previous prime is 137665735243. The next prime is 137665735303. The reversal of 137665735270 is 72537566731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60036244 + ... + 60038536.

It is an arithmetic number, because the mean of its divisors is an integer number (2322262080).

Almost surely, 2^137665735270 is an apocalyptic number.

137665735270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137665735270 is an abundant number, since it is smaller than the sum of its proper divisors (159583810970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137665735270 is a wasteful number, since it uses less digits than its factorization.

137665735270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790.

The product of its (nonzero) digits is 5556600, while the sum is 52.

The spelling of 137665735270 in words is "one hundred thirty-seven billion, six hundred sixty-five million, seven hundred thirty-five thousand, two hundred seventy".