140402333401 has 4 divisors (see below), whose sum is σ = 153166181904. Its totient is φ = 127638484900.

The previous prime is 140402333389. The next prime is 140402333419. The reversal of 140402333401 is 104333204041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 104333204041 = 11 ⋅9484836731.

It is a cyclic number.

It is not a de Polignac number, because 140402333401 - 2¹³ = 140402325209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140402333471) 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, 6381924235 + ... + 6381924256.

It is an arithmetic number, because the mean of its divisors is an integer number (38291545476).

Almost surely, 2^140402333401 is an apocalyptic number.

140402333401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140402333401 is a deficient number, since it is larger than the sum of its proper divisors (12763848503).

140402333401 is a wasteful number, since it uses less digits than its factorization.

140402333401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12763848502.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 140402333401 its reverse (104333204041), we get a palindrome (244735537442).

The spelling of 140402333401 in words is "one hundred forty billion, four hundred two million, three hundred thirty-three thousand, four hundred one".