1379601740 has 48 divisors (see below), whose sum is σ = 3166055424. Its totient is φ = 500798400.

The previous prime is 1379601737. The next prime is 1379601793. The reversal of 1379601740 is 471069731.

It is a super-2 number, since 2×1379601740² = 3806601922022055200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1379601694 and 1379601703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128375 + ... + 138705.

It is an arithmetic number, because the mean of its divisors is an integer number (65959488).

Almost surely, 2^1379601740 is an apocalyptic number.

1379601740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379601740 is an abundant number, since it is smaller than the sum of its proper divisors (1786453684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1379601740 is a wasteful number, since it uses less digits than its factorization.

1379601740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10958 (or 10956 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1379601740 is about 37142.9904558047. The cubic root of 1379601740 is about 1113.2291704175.

The spelling of 1379601740 in words is "one billion, three hundred seventy-nine million, six hundred one thousand, seven hundred forty".