137226691730 has 8 divisors (see below), whose sum is σ = 247008045132. Its totient is φ = 54890676688.

The previous prime is 137226691727. The next prime is 137226691751. The reversal of 137226691730 is 37196622731.

It can be written as a sum of positive squares in 2 ways, for example, as 129535927921 + 7690763809 = 359911^2 + 87697^2 .

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

It is a super-3 number, since 3×137226691730³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6861334577 + ... + 6861334596.

Almost surely, 2^137226691730 is an apocalyptic number.

137226691730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137226691730 is a deficient number, since it is larger than the sum of its proper divisors (109781353402).

137226691730 is a wasteful number, since it uses less digits than its factorization.

137226691730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13722669180.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 137226691730 in words is "one hundred thirty-seven billion, two hundred twenty-six million, six hundred ninety-one thousand, seven hundred thirty".