149737507 has 2 divisors, whose sum is σ = 149737508. Its totient is φ = 149737506.

The previous prime is 149737487. The next prime is 149737519. The reversal of 149737507 is 705737941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149737507 - 2¹¹ = 149735459 is a prime.

It is not a weakly prime, because it can be changed into another prime (149737597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74868753 + 74868754.

It is an arithmetic number, because the mean of its divisors is an integer number (74868754).

Almost surely, 2^149737507 is an apocalyptic number.

149737507 is a deficient number, since it is larger than the sum of its proper divisors (1).

149737507 is an equidigital number, since it uses as much as digits as its factorization.

149737507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185220, while the sum is 43.

The square root of 149737507 is about 12236.7277897320. The cubic root of 149737507 is about 531.0191698079.

The spelling of 149737507 in words is "one hundred forty-nine million, seven hundred thirty-seven thousand, five hundred seven".