139483157329 has 4 divisors (see below), whose sum is σ = 140318385984. Its totient is φ = 138647928676.

The previous prime is 139483157327. The next prime is 139483157339. The reversal of 139483157329 is 923751384931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 923751384931 = 157 ⋅5883766783.

It is a cyclic number.

It is not a de Polignac number, because 139483157329 - 2¹ = 139483157327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139483157329.

It is not an unprimeable number, because it can be changed into a prime (139483157327) 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, 417614077 + ... + 417614410.

It is an arithmetic number, because the mean of its divisors is an integer number (35079596496).

Almost surely, 2^139483157329 is an apocalyptic number.

It is an amenable number.

139483157329 is a deficient number, since it is larger than the sum of its proper divisors (835228655).

139483157329 is an equidigital number, since it uses as much as digits as its factorization.

139483157329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835228654.

The product of its digits is 4898880, while the sum is 55.

The spelling of 139483157329 in words is "one hundred thirty-nine billion, four hundred eighty-three million, one hundred fifty-seven thousand, three hundred twenty-nine".