152920839 has 8 divisors (see below), whose sum is σ = 207237232. Its totient is φ = 100275840.

The previous prime is 152920837. The next prime is 152920843. The reversal of 152920839 is 938029251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152920839 - 2¹ = 152920837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152920797 and 152920806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152920837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417634 + ... + 417999.

It is an arithmetic number, because the mean of its divisors is an integer number (25904654).

Almost surely, 2^152920839 is an apocalyptic number.

152920839 is a deficient number, since it is larger than the sum of its proper divisors (54316393).

152920839 is an equidigital number, since it uses as much as digits as its factorization.

152920839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835697.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 152920839 is about 12366.1165690770. The cubic root of 152920839 is about 534.7558661361.

The spelling of 152920839 in words is "one hundred fifty-two million, nine hundred twenty thousand, eight hundred thirty-nine".