239029137 has 12 divisors (see below), whose sum is σ = 358052240. Its totient is φ = 159352596.

The previous prime is 239029103. The next prime is 239029157. The reversal of 239029137 is 731920932.

It is not a de Polignac number, because 239029137 - 2⁷ = 239029009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239029157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491587 + ... + 492072.

Almost surely, 2^239029137 is an apocalyptic number.

239029137 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

239029137 is a deficient number, since it is larger than the sum of its proper divisors (119023103).

239029137 is an frugal number, since it uses more digits than its factorization.

239029137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983674 (or 983662 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 239029137 is about 15460.5671629472. The cubic root of 239029137 is about 620.6073972974.

The spelling of 239029137 in words is "two hundred thirty-nine million, twenty-nine thousand, one hundred thirty-seven".