149277607 has 2 divisors, whose sum is σ = 149277608. Its totient is φ = 149277606.

The previous prime is 149277577. The next prime is 149277619. The reversal of 149277607 is 706772941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149277607 - 2¹⁵ = 149244839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149277707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74638803 + 74638804.

It is an arithmetic number, because the mean of its divisors is an integer number (74638804).

Almost surely, 2^149277607 is an apocalyptic number.

149277607 is a deficient number, since it is larger than the sum of its proper divisors (1).

149277607 is an equidigital number, since it uses as much as digits as its factorization.

149277607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 149277607 is about 12217.9215499200. The cubic root of 149277607 is about 530.4749593100.

The spelling of 149277607 in words is "one hundred forty-nine million, two hundred seventy-seven thousand, six hundred seven".