149288707 has 4 divisors (see below), whose sum is σ = 150609960. Its totient is φ = 147967456.

The previous prime is 149288701. The next prime is 149288729. The reversal of 149288707 is 707882941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149288707 - 2¹⁹ = 148764419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149288701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660457 + ... + 660682.

It is an arithmetic number, because the mean of its divisors is an integer number (37652490).

Almost surely, 2^149288707 is an apocalyptic number.

149288707 is a deficient number, since it is larger than the sum of its proper divisors (1321253).

149288707 is a wasteful number, since it uses less digits than its factorization.

149288707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321252.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 149288707 is about 12218.3757922238. The cubic root of 149288707 is about 530.4881073551.

The spelling of 149288707 in words is "one hundred forty-nine million, two hundred eighty-eight thousand, seven hundred seven".