149359940 has 12 divisors (see below), whose sum is σ = 313655916. Its totient is φ = 59743968.

The previous prime is 149359913. The next prime is 149359949. The reversal of 149359940 is 49953941.

It is a happy number.

149359940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17707264 + 131652676 = 4208^2 + 11474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 149359891 and 149359900.

It is not an unprimeable number, because it can be changed into a prime (149359949) 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, 3733979 + ... + 3734018.

It is an arithmetic number, because the mean of its divisors is an integer number (26137993).

Almost surely, 2^149359940 is an apocalyptic number.

149359940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149359940 is an abundant number, since it is smaller than the sum of its proper divisors (164295976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149359940 is a wasteful number, since it uses less digits than its factorization.

149359940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7468006 (or 7468004 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 149359940 is about 12221.2904392294. The cubic root of 149359940 is about 530.5724679463.

The spelling of 149359940 in words is "one hundred forty-nine million, three hundred fifty-nine thousand, nine hundred forty".