1393402901 has 8 divisors (see below), whose sum is σ = 1524386304. Its totient is φ = 1263137920.

The previous prime is 1393402891. The next prime is 1393402919. The reversal of 1393402901 is 1092043931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1393402901 - 2⁶ = 1393402837 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 (1393402201) 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 7 ways as a sum of consecutive naturals, for example, 175541 + ... + 183306.

It is an arithmetic number, because the mean of its divisors is an integer number (190548288).

Almost surely, 2^1393402901 is an apocalyptic number.

1393402901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1393402901 is a deficient number, since it is larger than the sum of its proper divisors (130983403).

1393402901 is a wasteful number, since it uses less digits than its factorization.

1393402901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359211.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1393402901 is about 37328.3123245614. The cubic root of 1393402901 is about 1116.9290077126.

It can be divided in two parts, 139340 and 2901, that added together give a palindrome (142241).

The spelling of 1393402901 in words is "one billion, three hundred ninety-three million, four hundred two thousand, nine hundred one".