1372502149 has 4 divisors (see below), whose sum is σ = 1374643980. Its totient is φ = 1370360320.

The previous prime is 1372502143. The next prime is 1372502177. The reversal of 1372502149 is 9412052731.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1009332900 + 363169249 = 31770^2 + 19057^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372502149 - 2³ = 1372502141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372502141) 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, 1069954 + ... + 1071235.

It is an arithmetic number, because the mean of its divisors is an integer number (343660995).

Almost surely, 2^1372502149 is an apocalyptic number.

It is an amenable number.

1372502149 is a deficient number, since it is larger than the sum of its proper divisors (2141831).

1372502149 is an equidigital number, since it uses as much as digits as its factorization.

1372502149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141830.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1372502149 is about 37047.2961091629. The cubic root of 1372502149 is about 1111.3162830824.

The spelling of 1372502149 in words is "one billion, three hundred seventy-two million, five hundred two thousand, one hundred forty-nine".