151386749 has 2 divisors, whose sum is σ = 151386750. Its totient is φ = 151386748.

The previous prime is 151386659. The next prime is 151386769. The reversal of 151386749 is 947683151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80102500 + 71284249 = 8950^2 + 8443^2 .

It is an emirp because it is prime and its reverse (947683151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151386749 - 2⁸ = 151386493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151386769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75693374 + 75693375.

It is an arithmetic number, because the mean of its divisors is an integer number (75693375).

Almost surely, 2^151386749 is an apocalyptic number.

It is an amenable number.

151386749 is a deficient number, since it is larger than the sum of its proper divisors (1).

151386749 is an equidigital number, since it uses as much as digits as its factorization.

151386749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 151386749 is about 12303.9322576159. The cubic root of 151386749 is about 532.9616430620.

The spelling of 151386749 in words is "one hundred fifty-one million, three hundred eighty-six thousand, seven hundred forty-nine".