137950206351 has 4 divisors (see below), whose sum is σ = 183933608472. Its totient is φ = 91966804232.

The previous prime is 137950206349. The next prime is 137950206353. The reversal of 137950206351 is 153602059731.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (137950206349) and next prime (137950206353).

It is a cyclic number.

It is not a de Polignac number, because 137950206351 - 2¹ = 137950206349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137950206353) 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, 22991701056 + ... + 22991701061.

It is an arithmetic number, because the mean of its divisors is an integer number (45983402118).

Almost surely, 2^137950206351 is an apocalyptic number.

137950206351 is a deficient number, since it is larger than the sum of its proper divisors (45983402121).

137950206351 is an equidigital number, since it uses as much as digits as its factorization.

137950206351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45983402120.

The product of its (nonzero) digits is 170100, while the sum is 42.

The spelling of 137950206351 in words is "one hundred thirty-seven billion, nine hundred fifty million, two hundred six thousand, three hundred fifty-one".