137424320890 has 8 divisors (see below), whose sum is σ = 247363777620. Its totient is φ = 54969728352.

The previous prime is 137424320863. The next prime is 137424320893. The reversal of 137424320890 is 98023424731.

It can be written as a sum of positive squares in 2 ways, for example, as 136436413129 + 987907761 = 369373^2 + 31431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (137424320893) 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, 6871216035 + ... + 6871216054.

Almost surely, 2^137424320890 is an apocalyptic number.

137424320890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137424320890 is a deficient number, since it is larger than the sum of its proper divisors (109939456730).

137424320890 is a wasteful number, since it uses less digits than its factorization.

137424320890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13742432096.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 137424320890 in words is "one hundred thirty-seven billion, four hundred twenty-four million, three hundred twenty thousand, eight hundred ninety".