151314021 has 8 divisors (see below), whose sum is σ = 224168960. Its totient is φ = 100875996.

The previous prime is 151314017. The next prime is 151314061. The reversal of 151314021 is 120413151.

It is not a de Polignac number, because 151314021 - 2² = 151314017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151313985 and 151314003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151314001) 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, 2802085 + ... + 2802138.

It is an arithmetic number, because the mean of its divisors is an integer number (28021120).

Almost surely, 2^151314021 is an apocalyptic number.

It is an amenable number.

151314021 is a deficient number, since it is larger than the sum of its proper divisors (72854939).

151314021 is an equidigital number, since it uses as much as digits as its factorization.

151314021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604232 (or 5604226 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 151314021 is about 12300.9764246583. The cubic root of 151314021 is about 532.8762823476.

Adding to 151314021 its reverse (120413151), we get a palindrome (271727172).

The spelling of 151314021 in words is "one hundred fifty-one million, three hundred fourteen thousand, twenty-one".