151388389 has 2 divisors, whose sum is σ = 151388390. Its totient is φ = 151388388.

The previous prime is 151388329. The next prime is 151388399. The reversal of 151388389 is 983883151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134165889 + 17222500 = 11583^2 + 4150^2 .

It is a cyclic number.

It is not a de Polignac number, because 151388389 - 2²¹ = 149291237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151388329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75694194 + 75694195.

It is an arithmetic number, because the mean of its divisors is an integer number (75694195).

Almost surely, 2^151388389 is an apocalyptic number.

It is an amenable number.

151388389 is a deficient number, since it is larger than the sum of its proper divisors (1).

151388389 is an equidigital number, since it uses as much as digits as its factorization.

151388389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 46.

The square root of 151388389 is about 12303.9989027958. The cubic root of 151388389 is about 532.9635676116.

The spelling of 151388389 in words is "one hundred fifty-one million, three hundred eighty-eight thousand, three hundred eighty-nine".