149131560 has 32 divisors (see below), whose sum is σ = 447395040. Its totient is φ = 39768384.

The previous prime is 149131547. The next prime is 149131597. The reversal of 149131560 is 65131941.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621262 + ... + 621501.

It is an arithmetic number, because the mean of its divisors is an integer number (13981095).

Almost surely, 2^149131560 is an apocalyptic number.

149131560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149131560 is an abundant number, since it is smaller than the sum of its proper divisors (298263480).

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

149131560 is a wasteful number, since it uses less digits than its factorization.

149131560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242777 (or 1242773 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 149131560 is about 12211.9433342937. The cubic root of 149131560 is about 530.3019046513.

The spelling of 149131560 in words is "one hundred forty-nine million, one hundred thirty-one thousand, five hundred sixty".