137829293971 has 4 divisors (see below), whose sum is σ = 137866966200. Its totient is φ = 137791621744.

The previous prime is 137829293969. The next prime is 137829293983. The reversal of 137829293971 is 179392928731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179392928731 = 823 ⋅217974397.

It is a cyclic number.

It is not a de Polignac number, because 137829293971 - 2¹ = 137829293969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137829293941) 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, 18830626 + ... + 18837943.

It is an arithmetic number, because the mean of its divisors is an integer number (34466741550).

Almost surely, 2^137829293971 is an apocalyptic number.

137829293971 is a deficient number, since it is larger than the sum of its proper divisors (37672229).

137829293971 is an equidigital number, since it uses as much as digits as its factorization.

137829293971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37672228.

The product of its digits is 10287648, while the sum is 61.

The spelling of 137829293971 in words is "one hundred thirty-seven billion, eight hundred twenty-nine million, two hundred ninety-three thousand, nine hundred seventy-one".