1387020374 has 4 divisors (see below), whose sum is σ = 2080530564. Its totient is φ = 693510186.

The previous prime is 1387020373. The next prime is 1387020377. The reversal of 1387020374 is 4730207831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4730207831 = 2969 ⋅1593199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387020373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346755092 + ... + 346755095.

It is an arithmetic number, because the mean of its divisors is an integer number (520132641).

Almost surely, 2^1387020374 is an apocalyptic number.

1387020374 is a deficient number, since it is larger than the sum of its proper divisors (693510190).

1387020374 is an equidigital number, since it uses as much as digits as its factorization.

1387020374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693510189.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1387020374 is about 37242.7224300265. The cubic root of 1387020374 is about 1115.2210207553.

The spelling of 1387020374 in words is "one billion, three hundred eighty-seven million, twenty thousand, three hundred seventy-four".