132151428 has 18 divisors (see below), whose sum is σ = 334049534. Its totient is φ = 44050464.

The previous prime is 132151423. The next prime is 132151429. The reversal of 132151428 is 824151231.

It can be written as a sum of positive squares in only one way, i.e., 131606784 + 544644 = 11472^2 + 738^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (132151423) 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, 1835401 + ... + 1835472.

Almost surely, 2^132151428 is an apocalyptic number.

132151428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

132151428 is an abundant number, since it is smaller than the sum of its proper divisors (201898106).

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

132151428 is a wasteful number, since it uses less digits than its factorization.

132151428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670883 (or 3670878 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 132151428 is about 11495.7134619823. The cubic root of 132151428 is about 509.3589639174.

The spelling of 132151428 in words is "one hundred thirty-two million, one hundred fifty-one thousand, four hundred twenty-eight".