137950206307 has 4 divisors (see below), whose sum is σ = 139215804640. Its totient is φ = 136684607976.

The previous prime is 137950206239. The next prime is 137950206337. The reversal of 137950206307 is 703602059731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703602059731 = 72883 ⋅9653857.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137950206307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137950206337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632799003 + ... + 632799220.

It is an arithmetic number, because the mean of its divisors is an integer number (34803951160).

Almost surely, 2^137950206307 is an apocalyptic number.

137950206307 is a deficient number, since it is larger than the sum of its proper divisors (1265598333).

137950206307 is a wasteful number, since it uses less digits than its factorization.

137950206307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265598332.

The product of its (nonzero) digits is 238140, while the sum is 43.

The spelling of 137950206307 in words is "one hundred thirty-seven billion, nine hundred fifty million, two hundred six thousand, three hundred seven".