149353690 has 8 divisors (see below), whose sum is σ = 268836660. Its totient is φ = 59741472.

The previous prime is 149353669. The next prime is 149353717. The reversal of 149353690 is 96353941.

It can be written as a sum of positive squares in 2 ways, for example, as 149303961 + 49729 = 12219^2 + 223^2 .

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

It is a super-2 number, since 2×149353690² = 44613049433232200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7467675 + ... + 7467694.

Almost surely, 2^149353690 is an apocalyptic number.

149353690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149353690 is a deficient number, since it is larger than the sum of its proper divisors (119482970).

149353690 is a wasteful number, since it uses less digits than its factorization.

149353690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14935376.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 149353690 is about 12221.0347352423. The cubic root of 149353690 is about 530.5650672019.

The spelling of 149353690 in words is "one hundred forty-nine million, three hundred fifty-three thousand, six hundred ninety".