149209330 has 8 divisors (see below), whose sum is σ = 268576812. Its totient is φ = 59683728.

The previous prime is 149209309. The next prime is 149209339. The reversal of 149209330 is 33902941.

It can be written as a sum of positive squares in 2 ways, for example, as 143113369 + 6095961 = 11963^2 + 2469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 149209292 and 149209301.

It is not an unprimeable number, because it can be changed into a prime (149209339) 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, 7460457 + ... + 7460476.

Almost surely, 2^149209330 is an apocalyptic number.

149209330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149209330 is a deficient number, since it is larger than the sum of its proper divisors (119367482).

149209330 is a wasteful number, since it uses less digits than its factorization.

149209330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14920940.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 149209330 is about 12215.1270971693. The cubic root of 149209330 is about 530.3940702806.

The spelling of 149209330 in words is "one hundred forty-nine million, two hundred nine thousand, three hundred thirty".