149075407 has 6 divisors (see below), whose sum is σ = 161425032. Its totient is φ = 137607912.

The previous prime is 149075393. The next prime is 149075419. The reversal of 149075407 is 704570941.

It is not a de Polignac number, because 149075407 - 2¹⁹ = 148551119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149075207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 440883 + ... + 441220.

It is an arithmetic number, because the mean of its divisors is an integer number (26904172).

Almost surely, 2^149075407 is an apocalyptic number.

149075407 is a deficient number, since it is larger than the sum of its proper divisors (12349625).

149075407 is an equidigital number, since it uses as much as digits as its factorization.

149075407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882129 (or 882116 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 149075407 is about 12209.6440161046. The cubic root of 149075407 is about 530.2353375185.

The spelling of 149075407 in words is "one hundred forty-nine million, seventy-five thousand, four hundred seven".