1372390029 has 6 divisors (see below), whose sum is σ = 1982341166. Its totient is φ = 914926680.

The previous prime is 1372389983. The next prime is 1372390037. The reversal of 1372390029 is 9200932731.

It can be written as a sum of positive squares in only one way, i.e., 1354976100 + 17413929 = 36810^2 + 4173^2 .

It is not a de Polignac number, because 1372390029 - 2¹¹ = 1372387981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372389975 and 1372390002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372390039) 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 in 5 ways as a sum of consecutive naturals, for example, 76243882 + ... + 76243899.

Almost surely, 2^1372390029 is an apocalyptic number.

It is an amenable number.

1372390029 is a deficient number, since it is larger than the sum of its proper divisors (609951137).

1372390029 is a wasteful number, since it uses less digits than its factorization.

1372390029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152487787 (or 152487784 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 1372390029 is about 37045.7828774072. The cubic root of 1372390029 is about 1111.2860210352.

The spelling of 1372390029 in words is "one billion, three hundred seventy-two million, three hundred ninety thousand, twenty-nine".