149211960 has 128 divisors (see below), whose sum is σ = 472392000. Its totient is φ = 37646336.

The previous prime is 149211947. The next prime is 149211973. The reversal of 149211960 is 69112941.

It is an interprime number because it is at equal distance from previous prime (149211947) and next prime (149211973).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184036 + ... + 184844.

Almost surely, 2^149211960 is an apocalyptic number.

149211960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149211960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236196000).

149211960 is an abundant number, since it is smaller than the sum of its proper divisors (323180040).

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

149211960 is a wasteful number, since it uses less digits than its factorization.

149211960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 149211960 is about 12215.2347500979. The cubic root of 149211960 is about 530.3971865474.

The spelling of 149211960 in words is "one hundred forty-nine million, two hundred eleven thousand, nine hundred sixty".