1400741387 has 4 divisors (see below), whose sum is σ = 1413832536. Its totient is φ = 1387650240.

The previous prime is 1400741369. The next prime is 1400741429. The reversal of 1400741387 is 7831470041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7831470041 = 109 ⋅71848349.

It is a cyclic number.

It is not a de Polignac number, because 1400741387 - 2⁸ = 1400741131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400741317) 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, 6545414 + ... + 6545627.

It is an arithmetic number, because the mean of its divisors is an integer number (353458134).

Almost surely, 2^1400741387 is an apocalyptic number.

1400741387 is a deficient number, since it is larger than the sum of its proper divisors (13091149).

1400741387 is a wasteful number, since it uses less digits than its factorization.

1400741387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13091148.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1400741387 is about 37426.4797569849. The cubic root of 1400741387 is about 1118.8863790049.

The spelling of 1400741387 in words is "one billion, four hundred million, seven hundred forty-one thousand, three hundred eighty-seven".