149370877 has 2 divisors, whose sum is σ = 149370878. Its totient is φ = 149370876.

The previous prime is 149370847. The next prime is 149370911. The reversal of 149370877 is 778073941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144504441 + 4866436 = 12021^2 + 2206^2 .

It is an emirp because it is prime and its reverse (778073941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149370877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149370817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74685438 + 74685439.

It is an arithmetic number, because the mean of its divisors is an integer number (74685439).

Almost surely, 2^149370877 is an apocalyptic number.

It is an amenable number.

149370877 is a deficient number, since it is larger than the sum of its proper divisors (1).

149370877 is an equidigital number, since it uses as much as digits as its factorization.

149370877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 149370877 is about 12221.7378878783. The cubic root of 149370877 is about 530.5854181600.

The spelling of 149370877 in words is "one hundred forty-nine million, three hundred seventy thousand, eight hundred seventy-seven".