1401448137 has 4 divisors (see below), whose sum is σ = 1868597520. Its totient is φ = 934298756.

The previous prime is 1401448129. The next prime is 1401448157. The reversal of 1401448137 is 7318441041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1401448137 - 2³ = 1401448129 is a prime.

It is a super-4 number, since 4×1401448137⁴ (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1401448098 and 1401448107.

It is not an unprimeable number, because it can be changed into a prime (1401448117) 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, 233574687 + ... + 233574692.

It is an arithmetic number, because the mean of its divisors is an integer number (467149380).

Almost surely, 2^1401448137 is an apocalyptic number.

It is an amenable number.

1401448137 is a deficient number, since it is larger than the sum of its proper divisors (467149383).

1401448137 is an equidigital number, since it uses as much as digits as its factorization.

1401448137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467149382.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1401448137 is about 37435.9204107499. The cubic root of 1401448137 is about 1119.0745269855.

Adding to 1401448137 its reverse (7318441041), we get a palindrome (8719889178).

The spelling of 1401448137 in words is "one billion, four hundred one million, four hundred forty-eight thousand, one hundred thirty-seven".