137500263890 has 64 divisors (see below), whose sum is σ = 279553887360. Its totient is φ = 48233955840.

The previous prime is 137500263881. The next prime is 137500263941. The reversal of 137500263890 is 98362005731.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3768374 + ... + 3804686.

It is an arithmetic number, because the mean of its divisors is an integer number (4368029490).

Almost surely, 2^137500263890 is an apocalyptic number.

137500263890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137500263890 is an abundant number, since it is smaller than the sum of its proper divisors (142053623470).

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

137500263890 is a wasteful number, since it uses less digits than its factorization.

137500263890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37547.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 137500263890 in words is "one hundred thirty-seven billion, five hundred million, two hundred sixty-three thousand, eight hundred ninety".