132451690 has 16 divisors (see below), whose sum is σ = 272472192. Its totient is φ = 45411984.

The previous prime is 132451667. The next prime is 132451691. The reversal of 132451690 is 96154231.

It is a super-2 number, since 2×132451690² = 35086900367712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132451691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946014 + ... + 946153.

It is an arithmetic number, because the mean of its divisors is an integer number (17029512).

Almost surely, 2^132451690 is an apocalyptic number.

132451690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132451690 is an abundant number, since it is smaller than the sum of its proper divisors (140020502).

132451690 is a wasteful number, since it uses less digits than its factorization.

132451690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892181.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 132451690 is about 11508.7657896058. The cubic root of 132451690 is about 509.7444445656.

The spelling of 132451690 in words is "one hundred thirty-two million, four hundred fifty-one thousand, six hundred ninety".