139760401 has 8 divisors (see below), whose sum is σ = 154396800. Its totient is φ = 125445840.

The previous prime is 139760393. The next prime is 139760437. The reversal of 139760401 is 104067931.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 139760401 - 2³ = 139760393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139760461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79546 + ... + 81283.

It is an arithmetic number, because the mean of its divisors is an integer number (19299600).

Almost surely, 2^139760401 is an apocalyptic number.

139760401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

139760401 is a deficient number, since it is larger than the sum of its proper divisors (14636399).

139760401 is a wasteful number, since it uses less digits than its factorization.

139760401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160919.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 139760401 is about 11822.0303247792. The cubic root of 139760401 is about 518.9530228504.

The spelling of 139760401 in words is "one hundred thirty-nine million, seven hundred sixty thousand, four hundred one".