151320929 has 4 divisors (see below), whose sum is σ = 151354560. Its totient is φ = 151287300.

The previous prime is 151320919. The next prime is 151320937. The reversal of 151320929 is 929023151.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151320929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151320895 and 151320904.

It is not an unprimeable number, because it can be changed into a prime (151320919) 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, 8789 + ... + 19490.

It is an arithmetic number, because the mean of its divisors is an integer number (37838640).

Almost surely, 2^151320929 is an apocalyptic number.

It is an amenable number.

151320929 is a deficient number, since it is larger than the sum of its proper divisors (33631).

151320929 is an equidigital number, since it uses as much as digits as its factorization.

151320929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33630.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 151320929 is about 12301.2572121714. The cubic root of 151320929 is about 532.8843914294.

The spelling of 151320929 in words is "one hundred fifty-one million, three hundred twenty thousand, nine hundred twenty-nine".