157829039 has 2 divisors, whose sum is σ = 157829040. Its totient is φ = 157829038.

The previous prime is 157829033. The next prime is 157829047. The reversal of 157829039 is 930928751.

It is a weak prime.

It is an emirp because it is prime and its reverse (930928751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157829039 - 2¹⁶ = 157763503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157829033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78914519 + 78914520.

It is an arithmetic number, because the mean of its divisors is an integer number (78914520).

Almost surely, 2^157829039 is an apocalyptic number.

157829039 is a deficient number, since it is larger than the sum of its proper divisors (1).

157829039 is an equidigital number, since it uses as much as digits as its factorization.

157829039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 157829039 is about 12563.0027859585. The cubic root of 157829039 is about 540.4169607686.

The spelling of 157829039 in words is "one hundred fifty-seven million, eight hundred twenty-nine thousand, thirty-nine".