132400747 has 4 divisors (see below), whose sum is σ = 136966320. Its totient is φ = 127835176.

The previous prime is 132400727. The next prime is 132400771. The reversal of 132400747 is 747004231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747004231 = 61 ⋅12245971.

It is a cyclic number.

It is not a de Polignac number, because 132400747 - 2¹¹ = 132398699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132400717) 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, 2282743 + ... + 2282800.

It is an arithmetic number, because the mean of its divisors is an integer number (34241580).

Almost surely, 2^132400747 is an apocalyptic number.

132400747 is a deficient number, since it is larger than the sum of its proper divisors (4565573).

132400747 is an equidigital number, since it uses as much as digits as its factorization.

132400747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565572.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 132400747 is about 11506.5523507261. The cubic root of 132400747 is about 509.6790842792.

Adding to 132400747 its reverse (747004231), we get a palindrome (879404978).

The spelling of 132400747 in words is "one hundred thirty-two million, four hundred thousand, seven hundred forty-seven".