1362138449 has 16 divisors (see below), whose sum is σ = 1596282240. Its totient is φ = 1137939840.

The previous prime is 1362138383. The next prime is 1362138457. The reversal of 1362138449 is 9448312631.

It is a cyclic number.

It is not a de Polignac number, because 1362138449 - 2¹⁶ = 1362072913 is a prime.

It is a super-4 number, since 4×1362138449⁴ (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (1362138469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417107 + ... + 420359.

It is an arithmetic number, because the mean of its divisors is an integer number (99767640).

Almost surely, 2^1362138449 is an apocalyptic number.

It is an amenable number.

1362138449 is a deficient number, since it is larger than the sum of its proper divisors (234143791).

1362138449 is a wasteful number, since it uses less digits than its factorization.

1362138449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760.

The product of its digits is 124416, while the sum is 41.

The square root of 1362138449 is about 36907.1598609267. The cubic root of 1362138449 is about 1108.5120470907.

The spelling of 1362138449 in words is "one billion, three hundred sixty-two million, one hundred thirty-eight thousand, four hundred forty-nine".