1372132406 has 4 divisors (see below), whose sum is σ = 2058198612. Its totient is φ = 686066202.

The previous prime is 1372132343. The next prime is 1372132409. The reversal of 1372132406 is 6042312731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372132409) by changing a digit.

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 as a sum of consecutive naturals, namely, 343033100 + ... + 343033103.

It is an arithmetic number, because the mean of its divisors is an integer number (514549653).

Almost surely, 2^1372132406 is an apocalyptic number.

1372132406 is a deficient number, since it is larger than the sum of its proper divisors (686066206).

1372132406 is an equidigital number, since it uses as much as digits as its factorization.

1372132406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686066205.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1372132406 is about 37042.3056247853. The cubic root of 1372132406 is about 1111.2164803680.

The spelling of 1372132406 in words is "one billion, three hundred seventy-two million, one hundred thirty-two thousand, four hundred six".