149740407 has 20 divisors (see below), whose sum is σ = 227484840. Its totient is φ = 98131824.

The previous prime is 149740397. The next prime is 149740411. The reversal of 149740407 is 704047941.

It is not a de Polignac number, because 149740407 - 2⁶ = 149740343 is a prime.

It is a super-3 number, since 3×149740407³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149740307) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10888 + ... + 20445.

It is an arithmetic number, because the mean of its divisors is an integer number (11374242).

Almost surely, 2^149740407 is an apocalyptic number.

149740407 is a deficient number, since it is larger than the sum of its proper divisors (77744433).

149740407 is an equidigital number, since it uses as much as digits as its factorization.

149740407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31404 (or 31395 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 149740407 is about 12236.8462848889. The cubic root of 149740407 is about 531.0225979083.

The spelling of 149740407 in words is "one hundred forty-nine million, seven hundred forty thousand, four hundred seven".