151387409 has 2 divisors, whose sum is σ = 151387410. Its totient is φ = 151387408.

The previous prime is 151387393. The next prime is 151387417. The reversal of 151387409 is 904783151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115627009 + 35760400 = 10753^2 + 5980^2 .

It is a cyclic number.

It is not a de Polignac number, because 151387409 - 2⁴ = 151387393 is a prime.

It is not a weakly prime, because it can be changed into another prime (151387109) 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 as a sum of consecutive naturals, namely, 75693704 + 75693705.

It is an arithmetic number, because the mean of its divisors is an integer number (75693705).

Almost surely, 2^151387409 is an apocalyptic number.

It is an amenable number.

151387409 is a deficient number, since it is larger than the sum of its proper divisors (1).

151387409 is an equidigital number, since it uses as much as digits as its factorization.

151387409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 151387409 is about 12303.9590782805. The cubic root of 151387409 is about 532.9624175775.

The spelling of 151387409 in words is "one hundred fifty-one million, three hundred eighty-seven thousand, four hundred nine".